OFFSET
1,1
COMMENTS
a(15) > 10000. - Max Alekseyev, Mar 18 2023
PROG
(PARI) is_A058217(k) = polisirreducible(Mod(1, 3)*(x^k + x^11 + 2)); \\ Jinyuan Wang, Apr 15 2020
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Robert G. Wilson v, Nov 30 2000
EXTENSIONS
a(13)-a(14) from Max Alekseyev, Mar 17 2023
STATUS
approved