A020243 Strong pseudoprimes to base 17.

9, 91, 145, 781, 1111, 2821, 4033, 4187, 5365, 5833, 6697, 7171, 15805, 19729, 21781, 22791, 24211, 26245, 31621, 33001, 33227, 34441, 35371, 38081, 42127, 49771, 71071, 74665, 77293, 78881, 88831, 96433, 97921, 98671, 101101, 102311, 125563, 129493

Offset: 1

Author

David W. Wilson

Keywords

• nonn

Links

• R. J. Mathar, Table of n, a(n) for n = 1..748
• Index entries for sequences related to pseudoprimes

Crossrefs

Superset of A188755.

Programs

PARI

/* with A001262 */
isA020243(n)={ isStrongPsp(n,17) }
{ for(n=1,300000000,
        if(isA020243(n), print(n) ;) ;
) ;
} /* R. J. Mathar, Mar 07 2012 */