A020237 Strong pseudoprimes to base 11.

133, 793, 2047, 4577, 5041, 12403, 13333, 14521, 17711, 23377, 43213, 43739, 47611, 48283, 49601, 50737, 50997, 56057, 58969, 68137, 74089, 85879, 86347, 87913, 88831, 102173, 111055, 114211, 115231, 137149, 139231, 171601, 172369, 193249, 196555

Offset: 1

Author

David W. Wilson

Keywords

• nonn

Links

• Amiram Eldar, Table of n, a(n) for n = 1..10000 (terms 1..636 from R. J. Mathar)
• Index entries for sequences related to pseudoprimes

Crossrefs

Cf. A020139, A001262, A020229, A020230, A020231, A020232, A020233, A020234, A020235, A020236.

Programs

PARI

/* insert A001262 code here */
isA020237(n)={
        isStrongPsp(n,11)
}
{
for(n=1,10000000000,
        if(isA020237(n), print(n) ;) ;
) ;
} /* R. J. Mathar, Mar 07 2012 */