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A106149 Number of prime factors with multiplicity of the difference between consecutive primes. +0
1
0, 1, 1, 2, 1, 2, 1, 2, 2, 1, 2, 2, 1, 2, 2, 2, 1, 2, 2, 1, 2, 2, 2, 3, 2, 1, 2, 1, 2, 2, 2, 2, 1, 2, 1, 2, 2, 2, 2, 2, 1, 2, 1, 2, 1, 3, 3, 2, 1, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 1, 2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 3, 2, 2, 2, 2, 3, 2, 3, 2, 1 (list; graph; listen)
OFFSET

1,4

FORMULA

bigomega(p(n+1)-p(n))

EXAMPLE

p(5)-p(4)=4, bigomega(4)=2.

CROSSREFS

Cf. A001223.

Sequence in context: A080573 A006340 A076371 this_sequence A054740 A118458 A118459

Adjacent sequences: A106146 A106147 A106148 this_sequence A106150 A106151 A106152

KEYWORD

easy,nonn

AUTHOR

Paul Finley (pfinley(AT)touro.edu), Sep 11 2007

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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