A089976 - OEIS

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A089976

Row sums of triangle A089975.

1, 1, 2, 4, 8, 20, 52, 146, 458, 1498, 5240, 19562, 76006, 311258, 1334108, 5931250, 27492122, 132096626, 655783888, 3368747018, 17837850110, 97228103482, 545514383396, 3142793126018 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	CROSSREFS	`Sequence in context: A121703 A115219 A078160 * A000980 A123611 A082279` `Adjacent sequences: A089973 A089974 A089975 * A089977 A089978 A089979`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Boddington (psb(AT)maths.warwick.ac.uk), Nov 17 2003`

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Last modified February 15 21:56 EST 2012. Contains 205860 sequences.