id:A019461 - OEIS Search Results

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A019461

Add 1, multiply by 1, add 2, multiply by 2, etc.

+0
6

0, 1, 1, 3, 6, 9, 27, 31, 124, 129, 645, 651, 3906, 3913, 27391, 27399, 219192, 219201, 1972809, 1972819, 19728190, 19728201, 217010211, 217010223, 2604122676, 2604122689, 33853594957, 33853594971 (list; graph; listen)

	OFFSET	`0,4`
	LINKS	`Nick Hobson, Python program for this sequence`
	MAPLE	`A019461 := proc(n) option remember; if n = 0 then 0 elif n mod 2 = 1 then (n+1)/2+A019461(n-1) else (n/2)*A019461(n-1); fi; end;`
	CROSSREFS	`Cf. A019463, A019460, A019462, A082448.` `Adjacent sequences: A019458 A019459 A019460 this_sequence A019462 A019463 A019464` `Sequence in context: A050889 A026095 A061929 this_sequence A067862 A062927 A045638`
	KEYWORD	`nonn`
	AUTHOR	`njas`

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Last modified October 10 20:39 EDT 2008. Contains 144831 sequences.

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