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A020152
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Pseudoprimes to base 24.
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1
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25, 115, 175, 325, 553, 575, 805, 949, 1105, 1541, 1729, 1771, 1825, 1975, 2413, 2425, 2465, 2701, 2737, 2821, 2885, 3781, 4207, 4537, 6601, 6931, 6943, 7081, 7189, 7471, 7501, 7813, 8725, 8911, 9085, 9361, 9809, 10465, 10585, 11557, 12025, 13825, 14425
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OFFSET
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1,1
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COMMENTS
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Composite numbers n such that 24^(n-1) == 1 (mod n). [From Michel Lagneau, Feb 18 2012]
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LINKS
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T. D. Noe, Table of n, a(n) for n = 1..1000
Index entries for sequences related to pseudoprimes
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MATHEMATICA
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base = 24; t = {}; n = 1; While[Length[t] < 100, n++; If[! PrimeQ[n] && PowerMod[base, n-1, n] == 1, AppendTo[t, n]]]; t (* T. D. Noe, Feb 21 2012 *)
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CROSSREFS
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Cf. A001567 (pseudoprimes to base 2).
Sequence in context: A044657 A160437 A050589 * A218493 A124953 A126412
Adjacent sequences: A020149 A020150 A020151 * A020153 A020154 A020155
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KEYWORD
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nonn
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AUTHOR
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David W. Wilson
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STATUS
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approved
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