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.

Showing 1-1 of 1 results.

A257671 Numbers of the form floor(r^i + s^j), where r = (1 + sqrt(5))/2, s = r^2, i >= 0, j >= 0.

Original entry on oeis.org

2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 17, 18, 19, 20, 22, 24, 29, 30, 31, 35, 46, 47, 48, 49, 51, 53, 58, 64, 76, 77, 78, 82, 93, 122, 123, 124, 125, 127, 129, 134, 140, 152, 169, 199, 200, 201, 205, 216, 245, 321, 322, 323, 324, 326, 328, 333, 339, 351, 368
Offset: 1

Views

Author

Clark Kimberling, May 03 2015

Keywords

Crossrefs

Programs

  • Mathematica
    mx = 400; r = GoldenRatio; s = r/(r - 1); Union@ Flatten@ Table[ Floor[r^i + s^j], {i, Log[r, mx]}, {j, 0, Log[s, mx - r^i]}] (* iterators modified by Robert G. Wilson v, May 07 2015 *)
Showing 1-1 of 1 results.