A291862 Primes of the form 7^k + 12.

13, 19, 61, 40353619, 59768263894155949306790119265585619217025149412430681661, 3945286644626550630858717985746264080026751644458455916464504975630931364915053228398031941487628933218072924433889392982611734440563298413

Offset

1,1

Links

Robert Price, Table of n, a(n) for n = 1..8

F. Firoozbakht, M. F. Hasler, Variations on Euclid's formula for Perfect Numbers, JIS 13 (2010) #10.3.1

Henri & Renaud Lifchitz, PRP Records

OpenPFGW Project, Primality Tester

Mathematica

Select[Table[7k+12], {k, 0, 100}], PrimeQ[#] &]

Crossrefs

Cf. A152213.

Sequence in context: A180528 A109504 A122042 * A217065 A339917 A174343

Adjacent sequences: A291859 A291860 A291861 * A291863 A291864 A291865

Keyword

nonn

Author

Robert Price, Sep 04 2017

Status

approved