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A062531 Index of smallest prime p such that there is a gap of 2^n between p and next prime. +0
1
2, 4, 24, 282, 738, 8688, 273413, 92276646 (list; graph; listen)
OFFSET

1,1

LINKS

T. R. Nicely, List of prime gaps

FORMULA

a(n) =A000720[A000230[2^(n-1)]] = Pi[Min{p|p-prevprime(p)=2^n}]

CROSSREFS

A000230, A000720.

Sequence in context: A032107 A038049 A038058 this_sequence A047677 A030276 A081476

Adjacent sequences: A062528 A062529 A062530 this_sequence A062532 A062533 A062534

KEYWORD

hard,nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Jun 25 2001

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Last modified July 4 18:25 EDT 2008. Contains 140886 sequences.


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