id:A155689 - OEIS Search Results

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a(n) = Sum_{k = 1 to infinity} floor[n * sqrt(2) / 2^k)].

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0, 1, 3, 3, 4, 7, 7, 8, 10, 11, 11, 15, 16, 16, 18, 19, 22, 22, 23, 25, 25, 26, 31, 31, 32, 34, 35, 35, 38, 39, 39, 41, 42, 46, 46, 47, 49, 49, 50, 53, 53, 54, 56, 57, 57, 63, 64, 64, 66, 67, 70, 70, 71, 73, 73, 74, 78, 79, 79, 81, 82, 82, 85, 86, 86, 88, 89, 94, 94, 95, 97, 97 (list; graph; listen)

	OFFSET	`1,3`
	COMMENT	`a(n) = A020965(n) - A005187(n).`
	LINKS	`Jon E. Schoenfield, Table of n, a(n) for n=1..1000`
	CROSSREFS	`Cf. A005187, A020965.` `Sequence in context: A059871 A076619 A007448 this_sequence A051263 A058674 A152651` `Adjacent sequences: A155686 A155687 A155688 this_sequence A155690 A155691 A155692`
	KEYWORD	`nonn`
	AUTHOR	`Jon E. Schoenfield (jonscho(AT)hiwaay.net), Jan 24 2009`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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