id:A136658 - OEIS Search Results

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Row sums of unsigned triangle A136656 and also of triangle 2*A136657.

+0
1

1, 2, 10, 68, 580, 5912, 69784, 933200, 13912336, 228390560, 4088594464, 79186453568, 1648396356160, 36678170613632, 868239454798720, 21776352497954048, 576629116655862016, 16069766602389885440 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n)=sum((-1)^nA136656(n,k),k=0..n), n>=0.` `E.g.f.: exp(x(2-x)/(1-x)^2) (from Jabotinsky type triangle).`
	CROSSREFS	`Adjacent sequences: A136655 A136656 A136657 this_sequence A136659 A136660 A136661` `Sequence in context: A110520 A136633 A082580 this_sequence A104098 A056755 A123617`
	KEYWORD	`nonn,easy`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de) Feb 22 2008`

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Last modified January 7 17:35 EST 2009. Contains 152824 sequences.

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