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A088762 Numbers n such that (2n-1, 2n+3) is a cousin prime pair. +0
7
2, 4, 7, 10, 19, 22, 34, 40, 49, 52, 55, 64, 82, 97, 112, 115, 139, 154, 157, 175, 190, 199, 220, 229, 232, 244, 250, 307, 322, 337, 370, 379, 385, 412, 427, 430, 439, 442, 454, 469, 484, 505, 544, 547, 607, 640, 649, 652, 712, 715, 724, 742, 745, 775, 784, 790 (list; graph; listen)
OFFSET

1,1

LINKS

Eric Weisstein's World of Mathematics, Cousin Primes

FORMULA

a(n) = (A087679(n)-1)/2 = (A023200(n)+1)/2 = (A046132(n)-3)/2.

CROSSREFS

Essentially the same as A111981.

Cf. A087679, A088764, A088766, A088768, A088770.

Sequence in context: A062365 A049630 A032705 this_sequence A138827 A036685 A034744

Adjacent sequences: A088759 A088760 A088761 this_sequence A088763 A088764 A088765

KEYWORD

nonn

AUTHOR

Ray Chandler (rayjchandler(AT)sbcglobal.net), Oct 26 2003

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Last modified November 24 19:42 EST 2009. Contains 167435 sequences.


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