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A130443 Even pseudoprimes to base 43. 14
6, 14, 42, 526974, 9157582, 21001206, 49419154, 156418318, 157058362, 223741702, 467016562, 531330346, 601692022, 681377698, 888739174, 931053466, 1037629198, 1390950926, 1392718618, 2175608494, 2377982166, 3045063946, 5136468646 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Robert G. Wilson v, Table of n, a(n) for n = 1..46

Eric Weisstein's World of Mathematics, Fermat Pseudoprime.

Index entries for sequences related to pseudoprimes

MATHEMATICA

lst = {}; Do[ If[ PowerMod[43, 2n - 1, 2n] == 1, AppendTo[lst, 2n]], {n, 2, 1800000000}]; lst - Robert G. Wilson v, Jun 01 2007

CROSSREFS

Cf. A020171, A006935, A130433, A090082, A090083, A090084, A090085, A130434, A130435, A130436, A130437, A130438, A130439, A130440, A130441, A130442.

Sequence in context: A184393 A281707 A093369 * A294655 A005515 A114705

Adjacent sequences:  A130440 A130441 A130442 * A130444 A130445 A130446

KEYWORD

nonn

AUTHOR

Alexander Adamchuk, May 26 2007, Jun 20 2007

EXTENSIONS

More terms from Robert G. Wilson v, Jun 01 2007

STATUS

approved

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Last modified September 24 16:51 EDT 2020. Contains 337321 sequences. (Running on oeis4.)