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.

A322957 Numbers k such that 329*2^k+1 is prime.

Original entry on oeis.org

1, 3, 5, 9, 11, 15, 27, 55, 87, 105, 111, 163, 225, 311, 487, 537, 723, 735, 771, 1515, 1599, 4685, 5523, 5895, 9723, 20107, 55035, 66355, 108393, 181189, 455645, 604999, 623005, 829207, 1019093, 1246017, 2099771, 2163717, 2266631, 2348105, 2688221, 3002295
Offset: 1

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Author

Robert Price, Dec 31 2018

Keywords

Crossrefs

Programs

  • Maple
    select(n->isprime(329*2^n+1),[$1..1000]); # Muniru A Asiru, Dec 31 2018
  • Mathematica
    Select[Range[1000], PrimeQ[329*2^# + 1] &] (* Robert Price, Dec 31 2018 *)

Extensions

a(37)-a(41) from Jeppe Stig Nielsen, Jan 04 2020
a(42) from Jeppe Stig Nielsen, Dec 20 2024