id:A133131 - OEIS Search Results

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a(4n) = 3n+1, a(4n+1) = -3n, a(4n+2) = -3n-3, a(4n+3) = 3n+2 .

+0
1

1, 0, -3, 2, 4, -3, -6, 5, 7, -6, -9, 8, 10, -9, -12, 11, 13, -12, -15, 14, 16, -15, -18, 17, 19, -18, -21, 20, 22, -21, -24, 23, 25, -24, -27, 26, 28, -27, -30, 29, 31, -30, -33, 32, 34, -33, -36, 35, 37, -36, -39, 38, 40, -39, -42, 41, 43, -42, -45, 44, 46, -45, -48, 47, 49, -48, -51, 50, 52, -51, -54, 53, 55, -54, -57, 56 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`Second differences of 0, 0, 1, 2, 0, 0, 3, 4 .. .`
	CROSSREFS	`Sequence in context: A052938 A140114 A025532 this_sequence A026923 A058708 A141731` `Adjacent sequences: A133128 A133129 A133130 this_sequence A133132 A133133 A133134`
	KEYWORD	`sign`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), Sep 20 2007`

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Last modified December 4 15:51 EST 2008. Contains 151308 sequences.

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