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A068015 Gaps between non-twin primes. +0
1
21, 14, 10, 6, 14, 12, 4, 6, 8, 16, 14, 4, 26, 6, 4, 6, 38, 12, 10, 18, 6, 6, 14, 16, 14, 10, 14, 6, 16, 6, 8, 6, 6, 4, 6, 8, 4, 8, 30, 4, 6, 8, 10, 12, 8, 4, 8, 4, 6, 32, 6, 10, 6, 14, 10, 6, 14, 6, 18, 16, 6, 20, 4, 6, 8, 10, 8, 10 (list; graph; listen)
OFFSET

1,1

EXAMPLE

The first primes that are not 2 less than or 2 greater than another prime are 2, 23, 37,... (A007510). The second gap is 37-23=14, so a(2)=14.

CROSSREFS

Cf. A007510.

Sequence in context: A083466 A120742 A118296 this_sequence A040422 A048933 A142590

Adjacent sequences: A068012 A068013 A068014 this_sequence A068016 A068017 A068018

KEYWORD

nonn

AUTHOR

N. Fernandez (primeness(AT)borve.org), Mar 22 2002

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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