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A020233 Strong pseudoprimes to base 7. 15
25, 325, 703, 2101, 2353, 4525, 11041, 14089, 20197, 29857, 29891, 39331, 49241, 58825, 64681, 76627, 78937, 79381, 87673, 88399, 88831, 102943, 109061, 137257, 144901, 149171, 173951, 178709, 188191, 197633, 219781, 227767, 231793, 245281 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Amiram Eldar, Table of n, a(n) for n = 1..10000 (terms 1..200 from R. J. Mathar)

Eric Weisstein's World of Mathematics, Strong Pseudoprime

Index entries for sequences related to pseudoprimes

CROSSREFS

Cf. A005938, A001262, A020229, A020230, A020231, A020232.

Sequence in context: A077503 A262054 A020275 * A020319 A000448 A000446

Adjacent sequences:  A020230 A020231 A020232 * A020234 A020235 A020236

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified September 24 16:41 EDT 2020. Contains 337321 sequences. (Running on oeis4.)