Currently there may be errors shown on top of a page, because of a missing Wiki update (PHP version and extension DPL3).
Navigation
Topics Help • Register • News • History • How to • Sequences statistics • Template prototypes

Generalized Cullen primes of the form n•4n+1

From Prime-Wiki
Revision as of 17:35, 16 October 2024 by Gd barnes (talk | contribs) (simplify remark)
Jump to: navigation, search

Current data

ASCII format : n*4^n+1
Base : 4
Count : 14
Max n : 2,000,000
Date : 2023-07-14
1[1], 3[2], 7[3], 33[4], 67[5], 223[6], 663[7], 912[8], 1383[9], 3777[10], 3972[11], 10669[12], 48375[13], 1740349[14]
Remarks :
The sequence A007646 in OEIS
See additional history at Generalized Cullen primes & Discoverers of Generalized Cullen primes.
Sequence is the same as Near Cullen (n+1)*2^n+1 for odd n.

Notes

History