id:A104723 - OEIS Search Results

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Moebius transform of Jacobsthal numbers.

+0
1

0, 1, 0, 2, 4, 10, 18, 42, 80, 168, 330, 682, 1340, 2730, 5418, 10910, 21760, 43690, 87192, 174762, 349180, 699006, 1397418, 2796202, 5590960, 11184800, 22366890, 44739072, 89473020, 178956970, 357902670, 715827882, 1431633920, 2863310846 (list; graph; listen)

	OFFSET	`0,4`
	FORMULA	`a(n)=sum mu(n/d)A001045(d), d divides n; a(n+3)=3A027375(n+3) (since the Moebius transform of (-1)^n is (-1, -1, 2, 0, 0, 0, ...)).`
	CROSSREFS	`Sequence in context: A005541 A045955 A093695 this_sequence A079162 A043330 A011963` `Adjacent sequences: A104720 A104721 A104722 this_sequence A104724 A104725 A104726`
	KEYWORD	`nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Mar 20 2005`

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

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