id:A157074 - OEIS Search Results

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Number of integer sequences of length n+1 with sum zero and sum of absolute values 50

+0
1

2, 150, 6252, 182500, 4112502, 75578370, 1173777752, 15795816120, 187652162502, 1996568642530, 19245807386652, 169668375420180, 1378768046330402, 10396793993805030, 73166155146412752, 482928212647720720 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n)=T(n,25); T(n,k)=sum({i=1..n}binomial(n+1,i)binomial(k-1,i-1)binomial(n-i+k,k))`
	CROSSREFS	`A103881 A156554` `Sequence in context: A068987 A141139 A141130 this_sequence A128350 A046473 A024245` `Adjacent sequences: A157071 A157072 A157073 this_sequence A157075 A157076 A157077`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net) Feb 22 2009`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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