id:A085199 - OEIS Search Results

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Inverse function of N -> N injection A071156.

+0
2

0, 1, 0, 2, 0, 3, 0, 0, 0, 4, 0, 5, 0, 0, 0, 6, 0, 7, 0, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 10, 0, 0, 0, 11, 0, 12, 0, 0, 0, 0, 0, 13, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 0, 15, 0, 0, 0, 16, 0, 17, 0, 0, 0, 0, 0, 18, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 19, 0, 20, 0, 0, 0, 0, 0, 21, 0, 0, 0 (list; graph; listen)

	OFFSET	`0,4`
	COMMENT	`a(0)=0 because A071156(0)=0, but a(n) = 0 also for those n which do not occur as values of A071156. All positive natural numbers occur here once.`
	FORMULA	`a(n) = A057164(A085200(n))`
	CROSSREFS	`a(A071156(n)) = n for all n.` `Sequence in context: A138806 A104117 A114511 this_sequence A085200 A080024 A035199` `Adjacent sequences: A085196 A085197 A085198 this_sequence A085200 A085201 A085202`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen (my_firstname.my_surname(AT)iki.fi) Jun 14 2003`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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