OFFSET
0,5
COMMENTS
The results were computed using the PrimeFormGW (PFGW) primality-testing program. - Hugo Pfoertner, Nov 14 2019
FORMULA
a(A002981(n)) = 1.
EXAMPLE
a(39) =37 because 39!/k!+1 is composite for all k=1..36; 39!/37!+1=39*38+1=1483 is prime.
CROSSREFS
KEYWORD
nonn
AUTHOR
Hugo Pfoertner, Apr 06 2004
STATUS
approved