A288893 Primes of the form k!14+2, where k!14 is the 14-way factorial number.

3, 5, 7, 11, 13, 17, 53, 97, 149, 277, 353, 1583, 3137, 5147, 71147, 147347, 38084477, 306421517, 26658671807, 2692525852307, 19959489066467, 6100782917068127, 129745350297287814377, 4377087599139393363227, 2400616000129205968126877

Offset

1,1

Links

Robert Price, Table of n, a(n) for n = 1..42

Henri& Renaud Lifchitz, PRP Records.Search for n!14+2.

Joe McLean, Interesting Sources of Probable Primes

OpenPFGW Project, Primality Tester

Mathematica

MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]];
Select[Table[MultiFactorial[i, 14] + 2, {i, 0, 100}], PrimeQ[#]&]

Crossrefs

Cf. A284310.

Sequence in context: A333207 A328489 A130122 * A046494 A287441 A026603

Adjacent sequences: A288890 A288891 A288892 * A288894 A288895 A288896

Keyword

nonn

Author

Robert Price, Jun 18 2017

Status

approved