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Search: id:A137919
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A137919 (Nextprime(24n)-previousprime(24n))/2. +0
2
3, 3, 1, 4, 7, 5, 3, 1, 6, 1, 3, 5, 1, 3, 4, 3, 4, 1, 4, 4, 3, 9, 5, 3, 1, 6, 3, 6, 5, 4, 4, 4, 5, 5, 7, 7, 10, 4, 4, 7, 4, 6, 1, 5, 9, 3, 3, 1, 5, 4, 3, 6, 9, 3, 1, 17, 3, 9, 7, 4, 6, 1, 6, 6, 4, 7, 1, 5, 10, 12, 5, 5, 3, 9, 6, 4, 7, 1, 6, 9, 8, 11, 3, 3, 7, 3, 1, 1, 3, 4, 12, 3, 8, 8, 4, 6, 11, 3, 3, 6, 7, 6 (list; graph; listen)
OFFSET

1,1

COMMENT

a(n)=1 if 24n -/+ 1 are twin primes.

Corresponding n's are in A137920.

CROSSREFS

Cf. A124519, A135023, A135368, A137876, A137877, A137920.

Adjacent sequences: A137916 A137917 A137918 this_sequence A137920 A137921 A137922

Sequence in context: A125607 A137876 A016604 this_sequence A079081 A111408 A092674

KEYWORD

nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Feb 23 2008

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Last modified October 10 20:39 EDT 2008. Contains 144831 sequences.


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