A087431 - OEIS

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A087431

0^n/2+2^n(n^2+n+2)/4.

1, 2, 8, 28, 88, 256, 704, 1856, 4736, 11776, 28672, 68608, 161792, 376832, 868352, 1982464, 4489216, 10092544, 22544384, 50069504, 110624768, 243269632, 532676608, 1161822208, 2524971008, 5469372416, 11811160064, 25434259456 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	COMMENTS	`Binomial transform of A080335 (with additional leading 1). a(n+1)=2*A007466(n).`
	CROSSREFS	`Sequence in context: A135263 A048497 A118047 * A176758 A178222 A090426` `Adjacent sequences: A087428 A087429 A087430 * A087432 A087433 A087434`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Sep 02 2003`

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Last modified February 15 17:46 EST 2012. Contains 205835 sequences.