id:A111914 - OEIS Search Results

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A111914

Expansion of -x^2*(x^4-2*x^3+x^2-2*x+1)*(x+1)^2/((x-1)*(x^8-x^4+1)).

+0
4

0, 0, 1, 1, -1, -3, -4, -4, -5, -7, -9, -9, -8, -8, -9, -9, -7, -5, -4, -4, -3, -1, 1, 1, 0, 0, 1, 1, -1, -3, -4, -4, -5, -7, -9, -9, -8, -8, -9, -9, -7, -5, -4, -4, -3, -1, 1, 1, 0, 0, 1, 1, -1, -3, -4, -4, -5, -7, -9, -9, -8, -8, -9, -9, -7, -5, -4, -4, -3, -1, 1, 1, 0, 0, 1, 1, -1, -3, -4, -4, -5, -7, -9, -9, -8, -8, -9, -9, -7, -5, -4, -4 (list; graph; listen)

	OFFSET	`0,6`
	COMMENT	`It appears that (a(n)) has period 24.`
	PROGRAM	`4jbasesigcycsumseq[ + .5'i + .5j' + .5'ij' + .5e], sumtype: Y[8] = (int)Y[6] - (int)Y[7] + Y[8] + sum (internal program code); apart from initial term 0.`
	CROSSREFS	`Cf. A111912, A111913, A111915, A085846.` `Sequence in context: A113454 A082223 A098181 this_sequence A051665 A028263 A059179` `Adjacent sequences: A111911 A111912 A111913 this_sequence A111915 A111916 A111917`
	KEYWORD	`easy,sign`
	AUTHOR	`Creighton Dement (creighton.k.dement(AT)uni-oldenburg.de), Aug 20 2005`

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Last modified December 9 18:50 EST 2009. Contains 170568 sequences.

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