OFFSET
1,2
COMMENTS
All prime members are also in A110932, but the only known example is 251.
LINKS
PROG
(PARI) print1(1, ", "); (gpf(k)=t=factor(k); t[matsize(t)[1], 1]); for(k=2, +oo, ispseudoprime(2*k^gpf(k)+1)&&print1(k, ", "))
CROSSREFS
KEYWORD
nonn
AUTHOR
Jeppe Stig Nielsen, Mar 03 2019
STATUS
approved