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

79, 145297151999, 39520825343999, 711374856191999, 5676771352412159999, 1209874383379816906751999999, 982417999304411328282623999999, 29472539979132339848478719999999, 1529305899025149449590664397953433599999999

Offset

1,1

Links

Robert Price, Table of n, a(n) for n = 1..12

Joe McLean, Interesting Sources of Probable Primes

OpenPFGW Project, Primality Tester

Mathematica

Select[Table[k! / 9 - 1, {k, 6, 100}], PrimeQ[#]&]

Crossrefs

Cf. A139184, A139204, A290116, A290117, A290118, A290119, A290120, A290121, A290123.

Sequence in context: A116327 A060711 A128472 * A243432 A093404 A236236

Adjacent sequences: A290119 A290120 A290121 * A290123 A290124 A290125

Keyword

nonn,changed

Author

Robert Price, Jul 19 2017

Extensions

Missing terms inserted by Alois P. Heinz, Dec 05 2024

Status

approved