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A130435
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Even pseudoprimes to base 13.
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13
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4, 6, 12, 244, 276, 2806, 5028, 10308, 40132, 51118, 115644, 185646, 216492, 237084, 789636, 936046, 941818, 1062876, 1237276, 1469716, 2119002, 2201002, 2410354, 2446426, 3198196, 4319052, 4979316, 5329468, 5496492, 7171876, 9513076
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| Robert G. Wilson v, Table of n, a(n) for n = 0..101.
Eric Weisstein's World of Mathematics, Fermat Pseudoprime.
Index entries for sequences related to pseudoprimes
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MATHEMATICA
| Do[ f=PowerMod[ 13, 2n-1, 2n ]; If[ f==1, Print[ 2n ] ], {n, 2, 1000000} ] - Robert G. Wilson v (rgwv(at)rgwv.com), May 31 2007
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CROSSREFS
| Cf. A020141, A006935, A130433, A090082, A090083, A090084, A090085, A130434, A130436, A130437, A130438, A130439, A130440, A130441, A130442, A130443.
Sequence in context: A068507 A133454 A061072 * A028444 A003973 A034747
Adjacent sequences: A130432 A130433 A130434 * A130436 A130437 A130438
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KEYWORD
| nonn
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AUTHOR
| Alexander Adamchuk (alex(AT)kolmogorov.com), May 26 2007
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EXTENSIONS
| a(26)-a(101) from Robert G. Wilson v (rgwv(at)rgwv.com), May 31 2007
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