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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.

Index entries for sequences related to pseudoprimes

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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Last modified December 3 18:47 EST 2016. Contains 278745 sequences.