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.

A004943 a(n) = round(n*phi^8), where phi is the golden ratio, A001622.

Original entry on oeis.org

0, 47, 94, 141, 188, 235, 282, 329, 376, 423, 470, 517, 564, 611, 658, 705, 752, 799, 846, 893, 940, 987, 1034, 1081, 1127, 1174, 1221, 1268, 1315, 1362, 1409, 1456, 1503, 1550, 1597, 1644, 1691, 1738, 1785
Offset: 0

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Comments

a(n+48) - a(n+47) - a(n+1) + a(n) = 0 for 0 <= n <= 1055, but not for n = 1056. - Robert Israel, Oct 18 2023

Crossrefs

Programs

  • Maple
    p8:= simplify(((1+sqrt(5))/2)^8);
    seq(round(n*p8),n=0..100); # Robert Israel, Oct 18 2023
  • Mathematica
    Round[GoldenRatio^8 Range[0,40]] (* Harvey P. Dale, Sep 18 2023 *)