id:A129231 - OEIS Search Results

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a(n)=Floor(n*r)-a(n-1), where r=2^(1/2).

+0
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0, 1, 1, 3, 2, 5, 3, 6, 5, 7, 7, 8, 8, 10, 9, 12, 10, 14, 11, 15, 13, 16, 15, 17, 16, 19, 17, 21, 18, 23, 19, 24, 21, 25, 23, 26, 24, 28, 25, 30, 26, 31, 28, 32, 30, 33, 32, 24, 33, 36, 34, 38, 35, 39, 37, 40, 39, 41, 41, 42, 42, 44, 43, 46, 44, 47, 46, 48, 48, 49, 49, 51, 50, 53 (list; graph; listen)

	OFFSET	`0,4`
	FORMULA	`a(n) = Floor(nr)-Floor((n-1)r)+Floor((n-2)r)-...+dFloor(r), where d=(-1)^(n+1) and r=2^(1/2).`
	CROSSREFS	`Cf. A129229, A129232.` `Sequence in context: A155981 A057958 A057953 this_sequence A166477 A124332 A165342` `Adjacent sequences: A129228 A129229 A129230 this_sequence A129232 A129233 A129234`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu), Apr 04 2007`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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