A020281 Strong pseudoprimes to base 55.

9, 27, 1027, 1387, 1513, 4033, 6533, 9773, 10649, 19513, 20491, 20797, 27613, 28009, 28939, 29891, 31021, 38503, 43877, 55981, 56033, 74971, 80137, 82513, 83333, 91001, 92101, 112471, 113491, 117569, 128627, 130759, 147109, 158701, 164609, 164917

Offset

1,1

Links

R. J. Mathar, Table of n, a(n) for n = 1..300

Index entries for sequences related to pseudoprimes

Crossrefs

Sequence in context: A317027 A020254 A124396 * A075539 A225300 A053825

Adjacent sequences: A020278 A020279 A020280 * A020282 A020283 A020284

Keyword

nonn

Author

David W. Wilson

Status

approved