id:A089661 - OEIS Search Results

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Let S1 := (n,t)->add( k^t * add( binomial(n,j), j=0..k), k=0..n); a(n) = S1(n,4).

+0
1

0, 2, 67, 764, 5492, 30304, 140672, 577920, 2167680, 7577088, 25037056, 79016960, 240028672, 705961984, 2019713024, 5641535488, 15431565312, 41438281728, 109462880256, 284942925824, 732004876288, 1858158460928, 4665915736064, 11600782163968, 28582042664960 (list; graph; listen)

	OFFSET	`0,2`
	REFERENCES	`Jun Wang and Zhizheng Zhang, On extensions of Calkin's binomial identities, Discrete Math., 274 (2004), 331-342.`
	FORMULA	`There is an explicit formula for the sum - see Wang and Zhang.`
	CROSSREFS	`Sequence in context: A106998 A107214 A046848 this_sequence A041577 A085915 A061144` `Adjacent sequences: A089658 A089659 A089660 this_sequence A089662 A089663 A089664`
	KEYWORD	`nonn`
	AUTHOR	`njas, Jan 04 2004`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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