cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A100426 A sieve transform applied to Euler's phi function A000010 starting at 4.

Original entry on oeis.org

2, 4, 6, 10, 8, 18, 24, 40, 80, 84, 144, 176, 224, 384, 360, 464, 480, 544, 704, 864, 840, 864, 1012, 1184, 1280, 1344, 1320, 1640, 1904, 2016, 2384, 2496, 2864, 2600, 2976, 3104, 3240, 3824, 3560, 4544, 4784, 4704, 5184, 5264, 5376, 5664, 5600, 6080, 5640
Offset: 1

Views

Author

T. D. Noe, Nov 19 2004

Keywords

Crossrefs

Programs

  • Mathematica
    (* see A100424 for the definition of SieveTransform *) SieveTransform[EulerPhi[Range[4, 20000]]]