OFFSET
1,1
LINKS
Robert Price, Table of n, a(n) for n = 1..32
Henri and Renaud Lifchitz, PRP Records.Search for n!10-2.
Joe McLean, Interesting Sources of Probable Primes.
OpenPFGW Project, Primality Tester.
FORMULA
MATHEMATICA
MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]];
Select[Table[MultiFactorial[i, 10] - 2, {i, 3, 100}], PrimeQ[#]&]
Select[Table[Times@@Range[n, 1, -10]-2, {n, 300}], PrimeQ] (* Harvey P. Dale, Sep 09 2021 *)
CROSSREFS
KEYWORD
nonn,changed
AUTHOR
Robert Price, Jul 13 2017
STATUS
approved