OFFSET
1,1
COMMENTS
Numbers k such that A070960(k) - 1 is prime.
No more terms < 10000. - Vaclav Kotesovec, Dec 12 2022
PROG
(PARI) is(k) = isprime(k!+(k!/2)-1);
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Arsen Vardanyan, Dec 04 2022
EXTENSIONS
a(14)-a(17) from Vaclav Kotesovec, Dec 07 2022
STATUS
approved