id:A157053 - OEIS Search Results

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Number of integer sequences of length n+1 with sum zero and sum of absolute values 8

+0
1

2, 24, 162, 780, 2970, 9492, 26474, 66222, 151560, 322190, 643632, 1219374, 2206932, 3838590, 6447660, 10501172, 16639974, 25727292, 38906870, 57671880, 83945862, 120177024, 169447302, 235597650, 323371100, 438575202, 588265524, 780951962 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n)=T(n,4); 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: A035600 A013528 A108476 this_sequence A052411 A073066 A002736` `Adjacent sequences: A157050 A157051 A157052 this_sequence A157054 A157055 A157056`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net) Feb 22 2009`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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