id:A083926 - OEIS Search Results

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Inverse function of N -> N injection A072795.

+0
4

0, 0, 1, 0, 2, 3, 0, 0, 0, 4, 5, 6, 7, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44 (list; graph; listen)

	OFFSET	`0,5`
	COMMENT	`a(1)=0 because A072795(0)=1, but a(n) = 0 also for those n which do not occur as values of A072795. All positive natural numbers occur here once.`
	FORMULA	`a(n) = A083924(n)*A072772(n)`
	CROSSREFS	`a(A072795(n)) = n for all n. Cf. A083925, A083927-A083929, A083935.` `Adjacent sequences: A083923 A083924 A083925 this_sequence A083927 A083928 A083929` `Sequence in context: A048735 A102037 A097946 this_sequence A024466 A021817 A069585`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen (MyFirstname.MySurname(AT)iki.fi) May 13 2003`

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.

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