id:A048470 - OEIS Search Results

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a(n)=(n+1)(2^(n+1)-n)/2.

+0
1

1, 3, 9, 26, 70, 177, 427, 996, 2268, 5075, 11209, 24510, 53170, 114597, 245655, 524168, 1113976, 2359143, 4980565, 10485570, 22019886, 46137113, 96468739, 201326316, 419430100, 872414907, 1811938977, 3758096006, 7784627818 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`a(n)=T(0,n)+T(1,n-1)+...+T(n,0), array T given by A047858.`
	CROSSREFS	`Sequence in context: A035313 A055293 A034531 this_sequence A138237 A121286 A072863` `Adjacent sequences: A048467 A048468 A048469 this_sequence A048471 A048472 A048473`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`
	EXTENSIONS	`Edited by by T. D. Noe (noe(AT)sspectra.com), Dec 11 2006`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research