id:A110061 - OEIS Search Results

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

+0
4

0, 0, -3, 4, 0, -3, 7, -4, -3, 10, -11, 1, 13, -21, 12, 12, -34, 33, 0, -46, 67, -33, -46, 113, -100, -13, 159, -213, 87, 172, -372, 300, 85, -544, 672, -215, -629, 1216, -887, -414, 1845, -2103, 473, 2259, -3948, 2576, 1786, -6207, 6524, -790, -7993, 12731, -7314, -7203, 20724, -20045, 111, 27927, -40769, 20156 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`One of several sequences which appear to "spiral outwards" when plotted against each other (see A110062-64).`
	MAPLE	`seriestolist(series(x^2(-3+4x)/(1-x^3+x^4), x=0, 30)); -or- 4tesseq[A*B] with A = + .5'i + .5'j + .5'k + .5e and B = - .5'i - .25'j + .25'k - .5i' - .25j' + .25k' - .5'ii' - .25'ij' - .25'ik' - .25'ji' - .25'ki' - .5e`
	CROSSREFS	`Cf. A110062, A110063, A110064.` `Sequence in context: A025278 A063405 A139401 this_sequence A021750 A086230 A158677` `Adjacent sequences: A110058 A110059 A110060 this_sequence A110062 A110063 A110064`
	KEYWORD	`easy,sign`
	AUTHOR	`Creighton Dement (creighton.k.dement(AT)uni-oldenburg.de), Jul 10 2005`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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