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.

A221974 Numbers n such that A161914(n) = 0.

Original entry on oeis.org

187, 213, 299, 316, 364, 379, 437, 454, 478, 486, 509, 580, 607, 620, 644, 670, 694, 696, 717, 752, 795, 846, 850, 871, 884, 890, 906, 923, 937, 939, 944, 966, 986, 997, 1030, 1045, 1048, 1096, 1135, 1150, 1158, 1167, 1181, 1209, 1229, 1233, 1239, 1252, 1272
Offset: 1

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Author

Omar E. Pol, Feb 02 2013

Keywords

Comments

Sequence related to nontrivial zeros of Riemann zeta function.

Crossrefs

Programs

  • Mathematica
    Position[Table[Round@Im[ZetaZero[n] - ZetaZero[n - 1]], {n, 2, 509}], 0] + 1 // Flatten (* Arkadiusz Wesolowski, Feb 05 2013 *)

Formula

a(n) ~ n. There are constants N and k such that for all n > N, a(n) = n + k. - Charles R Greathouse IV, Apr 18 2013

Extensions

a(35)-a(49) from Arkadiusz Wesolowski, Feb 05 2013