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 A130439 Even pseudoprimes to base 29. 13
 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; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Robert G. Wilson v, Table of n, a(n) for n = 1..121. Eric Weisstein's World of Mathematics, Fermat Pseudoprime. MATHEMATICA 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 (* Robert G. Wilson v, Jun 01 2007 *) CROSSREFS Cf. A020157, A006935, A130433, A090082, A090083, A090084, A090085, A130434, A130435, A130436, A130437, A130438, A130440, A130441, A130442, A130443. Sequence in context: A094320 A200546 A066907 * A033690 A244714 A103779 Adjacent sequences:  A130436 A130437 A130438 * A130440 A130441 A130442 KEYWORD nonn AUTHOR Alexander Adamchuk, May 26 2007 EXTENSIONS More terms from Robert G. Wilson v, Jun 01 2007 STATUS approved

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