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A290121 Primes of the form k! / 8 - 1. 1
5039, 453599, 4989599, 2615348735999, 15205637551103999, 32327905188896022580370544394201497496149704048639999999999, 68043117384680383000466155030980344080536633048599859316607515858708885143551999999999999999 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Robert Price, Table of n, a(n) for n = 1..7

Joe McLean, Interesting Sources of Probable Primes

OpenPFGW Project, Primality Tester

MATHEMATICA

Select[Table[k! / 8 - 1, {k, 8, 100}], PrimeQ[#]&]

CROSSREFS

Cf. A139183, A139203.

Sequence in context: A013534 A309034 A237690 * A269125 A111030 A068378

Adjacent sequences:  A290118 A290119 A290120 * A290122 A290123 A290124

KEYWORD

nonn

AUTHOR

Robert Price, Jul 19 2017

STATUS

approved

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Last modified August 4 19:21 EDT 2020. Contains 336202 sequences. (Running on oeis4.)