id:A131730 - OEIS Search Results

Search: id:A131730

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

+0
1

0, -1, 1, 0, 1, -2, 2, -1, 2, -3, 3, -2, 3, -4, 4, -3, 4, -5, 5, -4, 5, -6, 6, -5, 6, -7, 7, -6, 7, -8, 8, -7, 8, -9, 9, -8, 9, -10, 10, -9, 10, -11, 11, -10, 11, -12, 12, -11, 12, -13, 13, -12, 13, -14, 14, -13, 14, -15, 15, -14, 15, -16, 16, -15, 16, -17, 17, -16, 17, -18, 18, -17, 18, -19, 19, -18, 19, -20, 20, -19, 20, -21, 21, -20 (list; graph; listen)

	OFFSET	`0,6`
	CROSSREFS	`Sequence in context: A064742 A106638 A131909 this_sequence A029335 A029257 A127830` `Adjacent sequences: A131727 A131728 A131729 this_sequence A131731 A131732 A131733`
	KEYWORD	`sign`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), Sep 17 2007`

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Last modified December 3 01:16 EST 2008. Contains 151161 sequences.

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