#semiprimes — Public Fediverse posts

One day, one decomposition
A228183: Semiprimes generated by the Euler polynomial x^2 + x + 41

3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A228183.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A228183.html

#decompwlj #math #mathematics #sequence #OEIS #javascript #php #3D #numbers #semiprimes #Euler #polynomial #graph #threejs #webGL

One day, one decomposition
A138511: Semiprimes where the larger prime factor is greater than the square of the smaller prime factor, short: semiprimes p*q, p^2 < q

3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A138511.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A138511.html

#decompwlj #math #mathematics #sequence #OEIS #javascript #php #3D #numbers #semiprimes #primes #PrimeNumbers #factor #square #graph #threejs #webGL

One day, one decomposition
A106349: Primes indexed by semiprimes

3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A106349.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A106349.html

#decompwlj #maths #mathematics #OEIS #javascript #php #3D #numbers #primes #PrimeNumbers #indexed #semiprimes #graph #threejs #webGL

One day, one decomposition
A100484: The primes doubled (even semiprimes)

3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/Even_semiprimes.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/Even_semiprimes.html

#decompwlj #maths #mathematics #OEIS #javascript #php #3D #numbers #primes #PrimeNumbers #doubled #even #semiprimes #graph #threejs #webGL