id:A159964 - OEIS Search Results

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a(n)=2^n*(1-n).

+0
2

1, 0, -4, -16, -48, -128, -320, -768, -1792, -4096, -9216, -20480, -45056, -98304, -212992, -458752, -983040, -2097152, -4456448, -9437184, -19922944, -41943040, -88080384, -184549376, -385875968, -805306368, -1677721600, -3489660928 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`Hankel transform of A124791. Binomial transform of -A060747.`
	FORMULA	`G.f.: (1-4x)/(1-2x)^2.`
	CROSSREFS	`Sequence in context: A100625 A071009 A131126 this_sequence A058922 A034918 A119003` `Adjacent sequences: A159961 A159962 A159963 this_sequence A159965 A159966 A159967`
	KEYWORD	`easy,sign`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Apr 28 2009`

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Last modified December 17 13:29 EST 2009. Contains 170826 sequences.

AT&T Labs Research