A020248 - OEIS

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A020248

Strong pseudoprimes to base 22.

21, 91, 169, 485, 1183, 1247, 2047, 5551, 11557, 14111, 15229, 17767, 19909, 21667, 23651, 38503, 47197, 49141, 53131, 64907, 70579, 72581, 90851, 100711, 109061, 144433, 146611, 153553, 157753, 158237, 163831, 191959, 204263, 222529, 223721

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

R. J. Mathar, Table of n, a(n) for n = 1..215

Index entries for sequences related to pseudoprimes

CROSSREFS

Sequence in context: A223370 A223363 A284440 * A225705 A259758 A353056

Adjacent sequences: A020245 A020246 A020247 * A020249 A020250 A020251

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved