A020245 Strong pseudoprimes to base 19.

9, 49, 169, 343, 1849, 2353, 2701, 4033, 4681, 6541, 6697, 7957, 9997, 12403, 13213, 13747, 15251, 16531, 18769, 19729, 24761, 30589, 31621, 31861, 32477, 41003, 49771, 63139, 64681, 65161, 66421, 68257, 73555, 96049, 102831, 118957, 129961, 137311

Offset

1,1

Links

R. J. Mathar, Table of n, a(n) for n = 1..752

Index entries for sequences related to pseudoprimes

Prog

(PARI) /* with A001262 */
isA020245(n)={ isStrongPsp(n, 19) }
{ for(n=1, 300000000, if(isA020245(n), print(n) ; ) ; ) ; } /* R. J. Mathar, Mar 07 2012 */

Crossrefs

Sequence in context: A295019 A164343 A273374 * A082608 A058031 A359726

Adjacent sequences: A020242 A020243 A020244 * A020246 A020247 A020248

Keyword

nonn

Author

David W. Wilson

Status

approved