A290120 Primes of the form k! / 7 - 1.

719, 51839, 347557429739519999, 3693145248412139519999, 786088879973155564264329346971464984708807393279999999999, 32977671048463054353156106097575368726182652081686848733183999999999999

Offset

1,1

Links

Robert Price, Table of n, a(n) for n = 1..9

Joe McLean, Interesting Sources of Probable Primes

OpenPFGW Project, Primality Tester

Mathematica

Select[Table[k! / 7 - 1, {k, 7, 100}], PrimeQ[#]&]

Crossrefs

Cf. A139177, A139202.

Sequence in context: A127227 A139177 A064980 * A101997 A139195 A269124

Adjacent sequences: A290117 A290118 A290119 * A290121 A290122 A290123

Keyword

nonn

Author

Robert Price, Jul 19 2017

Status

approved