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A274513
a(n) is the only number m such that 11^(2^m) + 1 is divisible by A273949(n).
0
0, 3, 1, 5, 5, 2, 7, 4, 15, 14, 3, 8, 19, 11, 10, 24, 27, 8, 19, 23, 7, 16, 31, 35, 4, 29, 28, 11, 11, 28, 35
OFFSET
1,2
PROG
(PARI) forstep(p=3, 10^15, 2, if(!Mod(p, 11)==0, if(isprime(p), o=znorder(Mod(11, p)); x=ispower(2*o); if(2^(x-1)==o, print1(x-2, ", ")))));
CROSSREFS
Cf. A273949.
Sequence in context: A273171 A244420 A378999 * A104489 A067285 A067286
KEYWORD
nonn,more
AUTHOR
STATUS
approved