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A130438
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Even pseudoprimes to base 23.
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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; 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..78.
Eric Weisstein's World of Mathematics, Fermat Pseudoprime.
Index entries for sequences related to pseudoprimes
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MATHEMATICA
| 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
| Cf. A020151, A006935, A130433, A090082, A090083, A090084, A090085, A130434, A130435, A130436, A130437, A130439, A130440, A130441, A130442, A130443.
Sequence in context: A200776 A169722 A159505 * A041934 A027943 A189416
Adjacent sequences: A130435 A130436 A130437 * A130439 A130440 A130441
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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
| More terms from Robert G. Wilson v (rgwv(at)rgwv.com), Jun 01 2007
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