A015614: a(n) = -1 + Sum_{i=1..n} phi(i)
3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A015614.html
3D graph Gen, threejs animation ➡️ https://decompwlj.com/3DgraphGen/A015614.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A015614.html
#decompwlj #math #mathematics #maths #sequence #OEIS #JavaScript #php #graph #3D #threejs #webGL #triangular #numbers #primes #PrimeNumbers #palindromes #animation #FundamentalTheoremOfArithmetic #sequences #NumberTheory #classification #integer #decomposition #number #theory #equation #graphs #sieve #fundamental #theorem #arithmetic #research

A014847: Numbers k such that k-th Catalan number C(2k,k)/(k+1) is divisible by k
3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A014847.html
3D graph Gen, threejs animation ➡️ https://decompwlj.com/3DgraphGen/A014847.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A014847.html
#decompwlj #math #mathematics #maths #sequence #OEIS #JavaScript #php #graph #3D #threejs #webGL #triangular #numbers #primes #PrimeNumbers #palindromes #animation #FundamentalTheoremOfArithmetic #sequences #NumberTheory #classification #integer #decomposition #number #theory #equation #graphs #sieve #fundamental #theorem #arithmetic #research

A014688: a(n) = n-th prime + n
3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A014688.html
3D graph Gen, threejs animation ➡️ https://decompwlj.com/3DgraphGen/A014688.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A014688.html
#decompwlj #math #mathematics #maths #sequence #OEIS #JavaScript #php #graph #3D #threejs #webGL #triangular #numbers #primes #PrimeNumbers #palindromes #animation #FundamentalTheoremOfArithmetic #sequences #NumberTheory #classification #integer #decomposition #number #theory #equation #graphs #sieve #fundamental #theorem #arithmetic #research

#TIL Si tu as Faker dans ton projet #PHP et que tu ouvres \Faker\Provider\fr_FR\Text tu pourras lire Madame Bovary.
Amusant ! #dev
Hier ist das Material, das ich gestern in Düsseldorf auf der Contao-Konferenz für meinen Vortrag über #PHP 8.3, #PHP 8.4 und #PHP 8.5 sowie #PHPUnit 11 und #PHPUnit 12 verwendet habe:
A huge shout-out 👏 to SensioLabs Deutschland for their work with Staffbase, a global leader in employee communications 💬
Our team helped rebuild the corporate website on a @symfony and Storyblok 🧱 foundation
Read the success story here 👉 https://tinyurl.com/u2mv3ar3

📣 Announcing the immediate availability of:
- PHP 8.4.13
- PHP 8.3.26
📝 Changelog: https://www.php.net/ChangeLog-8.php
🎁 Source: https://www.php.net/downloads
Windows: https://windows.php.net/download/
Artykuł prosty, ale treściwy - garść ciekawostek (bez zbytniego rozwodzenia się) na temat optymalizacji aplikacji napisanych w #PHP. Wbrew pozorom, można tutaj znaleźć ciekawe punkty.
🎉 PHP 8.5.0 Beta 3 is available for testing!
- Support for Uri\Rfc3986\Uri::with*() methods
- Retrieve Exif from HEIF files
- Add PDO\Sqlite::ATTR_TRANSACTION_MODE connection attribute
- Bug fixes thanks to your testing and feedback
… and more!
➕ Do: Test your projects!
➖ Don't: Run it in production. It's not fully ready yet.
Congratulations to @edorian, Daniel, and @adoy
🔗 https://www.php.net/archive/2025.php#2025-09-11-1
ℹ️ #PHP Version 8.5.0RC1 is Released!
My repository already provides RPMs for #Fedora #CentOS #RHEL and clones
- as a module stream for single version installation (php-*)
- as a SCL for multiple versions installation (php85-php-*)
https://blog.remirepo.net/post/2025/09/26/PHP-on-the-road-to-the-8.5.0-release
A014614: 5-almost primes
3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/5-almost_primes.html
3D graph Gen, threejs animation ➡️ https://decompwlj.com/3DgraphGen/5-almost_primes.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/5-almost_primes.html
#decompwlj #math #mathematics #maths #sequence #OEIS #JavaScript #php #graph #3D #threejs #webGL #triangular #numbers #primes #PrimeNumbers #palindromes #animation #FundamentalTheoremOfArithmetic #sequences #NumberTheory #classification #integer #decomposition #number #theory #equation #graphs #sieve #fundamental #theorem #arithmetic #research

Decomposition into weight × level + jump of prime numbers in 3D, threejs - webGL (log(weight), log(level), log(jump))
➡️ https://decompwlj.com/3Dgraph/Prime_numbers.html
#decompwlj #math #mathematics #maths #sequence #OEIS #JavaScript #php #graph #3D #threejs #webGL #triangular #numbers #primes #PrimeNumbers #palindromes #animation #FundamentalTheoremOfArithmetic #sequences #NumberTheory #classification #integer #decomposition #number #theory #equation #graphs #sieve #fundamental #theorem #arithmetic #research