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Search: id:A130434
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| A130434 |
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Even pseudoprimes to base 7. |
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+0
13
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| 6, 16806, 29234, 67798, 791578, 1234806, 1807566, 2427706, 12562534, 29147626, 29783134, 38357866, 41716918, 50167486, 99392626, 111664666, 162474586, 169707826, 281780346, 286351066, 349880326, 423200566, 463054594, 479581642
(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..37.
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[7, 2n - 1, 2n] == 1, AppendTo[lst, 2n]; Print[2n]], {n, 2, 24000000}]; lst - Robert G. Wilson v (rgwv(at)rgwv.com), May 28 2007
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CROSSREFS
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Cf. A005938, A006935, A130433, A090082, A090083, A090084, A090085, A130435, A130436, A130437, A130438, A130439, A130440, A130441, A130442, A130443.
Sequence in context: A062782 A036773 A007702 this_sequence A121571 A123659 A079192
Adjacent sequences: A130431 A130432 A130433 this_sequence A130435 A130436 A130437
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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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a(9)-a(37) from Robert G. Wilson v (rgwv(at)rgwv.com), May 28 2007
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