A290123 Primes of the form k!/10 - 1.
11, 71, 503, 3991679, 622702079, 35568742809599, 30488834461171386050150399999, 579712602074736798587973423157810910541235724473162595874586504971639017969389205625618453424974594047999999999999999999
Offset: 1
Keywords
Links
- Robert Price, Table of n, a(n) for n = 1..9
- Joe McLean, Interesting Sources of Probable Primes.
- OpenPFGW Project, Primality Tester.
Programs
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Mathematica
Select[Table[k! / 10 - 1, {k, 5, 100}], PrimeQ[#]&]
Formula
Extensions
Missing terms inserted by Alois P. Heinz, Dec 05 2024