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Search: id:A098417
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A098417 A098414(n) - (A007529(n) + A098415(n))/2. +0
4
-1, 1, -1, 1, -1, 1, -1, 1, 1, -1, 1, -1, -1, 1, 1, -1, 1, 1, -1, -1, 1, -1, 1, -1, -1, 1, 1, -1, 1, -1, 1, -1, -1, 1, -1, 1, -1, 1, -1, 1, -1, -1, 1, 1, 1, 1, -1, 1, 1, -1, -1, 1, 1, -1, -1, 1, -1, 1, -1, 1, 1, 1, -1, 1, 1, -1, 1, -1, -1, 1, -1, -1, -1, 1, 1, -1, -1, 1, -1, -1, -1, 1, -1, 1, 1, -1 (list; graph; listen)
OFFSET

1,1

COMMENT

(A007529(n),2*A098416(n)+a(n), A098415(n)) is a prime triple (p,q,r) with p<q<r=p+6.

LINKS

Eric Weisstein's World of Mathematics, Prime Triplet

CROSSREFS

Sequence in context: A034947 A097807 A014077 this_sequence A076479 A033999 A057077

Adjacent sequences: A098414 A098415 A098416 this_sequence A098418 A098419 A098420

KEYWORD

sign

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Sep 07 2004

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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