A020236 -id:A020236 - cp's OEIS frontend

A020230 Strong pseudoprimes to base 4.

341, 1387, 2047, 3277, 4033, 4371, 4681, 5461, 8321, 8911, 10261, 13747, 14491, 15709, 15841, 19951, 29341, 31621, 42799, 49141, 49981, 52633, 60787, 65077, 65281, 74665, 80581, 83333, 85489, 88357, 90751, 104653, 123251, 129921, 130561, 137149

Offset: 1

David W. Wilson

nonn

Amiram Eldar, Table of n, a(n) for n = 1..10000 (terms 1..229 from R. J. Mathar)
Eric Weisstein's World of Mathematics, Strong Pseudoprime
Index entries for sequences related to pseudoprimes

Cf. A020136 (base 4), A001262 (base 2), A020229 (base 3), A020231 (base 5), A020232 (base 6), A020233 (base 7), A020234 (base 8), A020235 (base 9), A020236 (base 10), A020237 (base 11), A020238 (base 12).

A020237 Strong pseudoprimes to base 11.

Original entry on oeis.org

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

David W. Wilson

nonn

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

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

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

A020238 Strong pseudoprimes to base 12.

Original entry on oeis.org

91, 133, 145, 247, 1649, 1729, 2821, 8911, 9073, 10585, 13051, 13333, 16471, 19517, 20737, 21361, 24013, 24727, 26467, 29539, 31483, 31621, 34219, 34861, 35881, 38311, 38503, 40321, 53083, 67861, 79381, 79501, 88831, 97351, 115231, 121301, 131977

Offset: 1