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A105692 Minimal a(n)>0, not appeared previously, such that p(n)*p(n+1)+a(n) is prime. +0
2
1, 2, 6, 12, 8, 18, 14, 20, 10, 30, 4, 26, 24, 32, 40, 36, 38, 42, 44, 48, 16, 50, 46, 56, 54, 60, 62, 68, 74, 72, 66, 34, 78, 96, 114, 82, 52, 108, 58, 84, 80, 102, 110, 92, 90, 28, 70, 86, 98, 122, 76, 120, 116, 94, 88, 22, 138, 100, 132, 104, 128, 156, 126, 158, 146, 144 (list; graph; listen)
OFFSET

1,2

COMMENT

1 and permutation(?) of even integers. Cf. A074928

CROSSREFS

Cf. A074928.

Sequence in context: A074259 A113540 A111658 this_sequence A107647 A145102 A145103

Adjacent sequences: A105689 A105690 A105691 this_sequence A105693 A105694 A105695

KEYWORD

nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Apr 17 2005

page 1

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Last modified November 23 10:40 EST 2009. Contains 167421 sequences.


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