OFFSET
1,1
COMMENTS
a(7) > 2000.
a(8) > 5000. - Daniel Suteu, Jul 25 2019
a(8) > 10000. - Michael S. Branicky, Apr 01 2023
PROG
(PARI) for(n=1, 100, my(x=n^(n+1)+n-1); if(isprime(x), print1(n, ", ")))
CROSSREFS
KEYWORD
nonn,more,hard
AUTHOR
Hugo Pfoertner, Jul 23 2019
EXTENSIONS
a(7) from Daniel Suteu, Jul 25 2019
STATUS
approved