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Search: id:A130439
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| A130439 |
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Even pseudoprimes to base 29. |
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+0
13
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| 4, 14, 28, 52, 268, 364, 1876, 3484, 5356, 7294, 24388, 66788, 283276, 286492, 339556, 404236, 860692, 1153684, 1381132, 1478764, 1696708, 2073722, 2182726, 2222122, 4922164, 7790146, 8200036, 9679138, 10881052, 14863516, 15476266
(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 = 1..121.
Eric Weisstein's World of Mathematics, Fermat Pseudoprime.
Index entries for sequences related to pseudoprimes
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MATHEMATICA
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Do[ f=PowerMod[ 29, 2n-1, 2n ]; If[ f==1, Print[ 2n ] ], {n, 2, 500000} ]
lst = {}; Do[ If[ PowerMod[17, 2n - 1, 2n] == 1, AppendTo[lst, 2n]], {n, 2, 2^31}]; lst - from Robert G. Wilson v (rgwv(at)rgwv.com), Jun 01 2007
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CROSSREFS
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Cf. A020157, A006935, A130433, A090082, A090083, A090084, A090085, A130434, A130435, A130436, A130437, A130438, A130440, A130441, A130442, A130443.
Sequence in context: A030572 A094320 A066907 this_sequence A033690 A103779 A049451
Adjacent sequences: A130436 A130437 A130438 this_sequence A130440 A130441 A130442
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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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