A290122 Primes of the form k! / 9 - 1.

145297151999, 39520825343999, 711374856191999, 5676771352412159999, 1209874383379816906751999999, 982417999304411328282623999999, 29472539979132339848478719999999, 1529305899025149449590664397953433599999999

Offset

1,1

Links

Robert Price, Table of n, a(n) for n = 1..11

Joe McLean, Interesting Sources of Probable Primes

OpenPFGW Project, Primality Tester

Mathematica

Select[Table[k! / 9 - 1, {k, 9, 100}], PrimeQ[#]&]

Crossrefs

Cf. A139184, A139204.

Sequence in context: A320722 A186177 A104832 * A234379 A290157 A288283

Adjacent sequences: A290119 A290120 A290121 * A290123 A290124 A290125

Keyword

nonn

Author

Robert Price, Jul 19 2017

Status

approved