id:A157066 - OEIS Search Results

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Number of integer sequences of length n+1 with sum zero and sum of absolute values 34

+0
1

2, 102, 2892, 57460, 882030, 11053434, 117206264, 1078467624, 8774904690, 64062783510, 424600608564, 2579499722124, 14479567043214, 75613799423610, 369504358622640, 1698353774374704, 7375213677918294, 30379740299612514 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n)=T(n,17); 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: A028989 A113575 A111012 this_sequence A055693 A106299 A101530` `Adjacent sequences: A157063 A157064 A157065 this_sequence A157067 A157068 A157069`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net) Feb 22 2009`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research