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Search: id:A130438
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| A130438 |
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Even pseudoprimes to base 23. |
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+0
13
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| 22, 154, 638, 946, 1738, 2926, 12166, 15862, 33022, 125686, 248218, 285286, 358534, 596926, 697334, 1007566, 3426346, 3675826, 3755158, 4147522, 6518974, 19866946, 26336926, 34220746, 35083426, 46365814, 54148654, 54342046, 72789466
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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Robert G. Wilson v, Table of n, a(n) for n = 0..78.
Eric Weisstein's World of Mathematics, Fermat Pseudoprime.
Index entries for sequences related to pseudoprimes
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MATHEMATICA
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lst = {}; Do[ If[ PowerMod[17, 2n - 1, 2n] == 1, AppendTo[lst, 2n]], {n, 2, 2*10^9}]; lst - Robert G. Wilson v (rgwv(at)rgwv.com), Jun 01 2007
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CROSSREFS
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Cf. A020151, A006935, A130433, A090082, A090083, A090084, A090085, A130434, A130435, A130436, A130437, A130439, A130440, A130441, A130442, A130443.
Sequence in context: A041936 A125332 A126490 this_sequence A041934 A027943 A141306
Adjacent sequences: A130435 A130436 A130437 this_sequence A130439 A130440 A130441
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KEYWORD
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nonn
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AUTHOR
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Alexander Adamchuk (alex(AT)kolmogorov.com), May 26 2007
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EXTENSIONS
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More terms from Robert G. Wilson v (rgwv(at)rgwv.com), Jun 01 2007
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