id:A076191 - OEIS Search Results

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Omega(n+1)-Omega(n), where Omega(n) (A001222) denotes the number of prime factors of n, counting multiplicity.

+0
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1, 0, 1, -1, 1, -1, 2, -1, 0, -1, 2, -2, 1, 0, 2, -3, 2, -2, 2, -1, 0, -1, 3, -2, 0, 1, 0, -2, 2, -2, 4, -3, 0, 0, 2, -3, 1, 0, 2, -3, 2, -2, 2, 0, -1, -1, 4, -3, 1, -1, 1, -2, 3, -2, 2, -2, 0, -1, 3, -3, 1, 1, 3, -4, 1, -2, 2, -1, 1, -2, 4, -4, 1, 1, 0, -1, 1, -2, 4, -1, -2, -1, 3, -2, 0, 0, 2, -3, 3, -2, 1, -1, 0, 0, 4, -5, 2, 0, 1, -3 (list; graph; listen)

	OFFSET	`1,7`
	MATHEMATICA	`Omega[n_] := Apply[Plus, Transpose[FactorInteger[n]][[2]]]; Flatten[Append[{1}, Table[Omega[n + 1] - Omega[n], {n, 2, 100}]]]`
	CROSSREFS	`Adjacent sequences: A076188 A076189 A076190 this_sequence A076192 A076193 A076194` `Sequence in context: A114021 A053616 A094718 this_sequence A025861 A090723 A027357`
	KEYWORD	`easy,sign`
	AUTHOR	`Joseph L. Pe (joseph_l_pe(AT)hotmail.com), Nov 03 2002`

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.

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