id:A157054 - OEIS Search Results

Search: id:A157054

Displaying 1-1 of 1 results found.

page 1

Number of integer sequences of length n+1 with sum zero and sum of absolute values 10

+0
1

2, 30, 252, 1500, 7002, 27174, 91112, 271224, 731502, 1815506, 4197468, 9129276, 18827718, 37060506, 70006512, 127485584, 224676522, 384468534, 640622012, 1041949020, 1657762722, 2584888350, 3956576472, 5953712520, 8818775030 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n)=T(n,5); 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: A089288 A154413 A007030 this_sequence A092355 A036351 A089433` `Adjacent sequences: A157051 A157052 A157053 this_sequence A157055 A157056 A157057`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net) Feb 22 2009`

page 1

Search completed in 0.002 seconds

Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

AT&T Labs Research