A049018 - OEIS

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A049018

Expansion of 1/((1+x)^7-x^7).

1, -7, 28, -84, 210, -462, 924, -1715, 2989, -4900, 7448, -9996, 9996, 0, -38759, 149205, -422576, 1041348, -2350922, 4970070, -9940140, 18874261, -33957343, 57374296, -89125120, 120875944, -120875944, 0, 459957169, -1749692735, 4904887652 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	COMMENTS	`It appears that the (unsigned) sequence is identical to its 7th order absolute difference. - John W. Layman (layman(AT)math.vt.edu), Oct 02 2003`
	CROSSREFS	`Cf. A049017.` `Sequence in context: A073363 A166322 A008499 * A008489 A023032 A000579` `Adjacent sequences: A049015 A049016 A049017 * A049019 A049020 A049021`
	KEYWORD	`sign`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 17 21:13 EST 2012. Contains 206085 sequences.