id:A157057 - OEIS Search Results

Search: id:A157057

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 16

+0
1

2, 48, 642, 6040, 44130, 264936, 1356194, 6077196, 24314490, 88206140, 293744154, 907129236, 2619716554, 7125357540, 18363363690, 45076309166, 105864434424, 238815143406, 519252051080, 1091481669390, 2224042468032, 4403475647758 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n)=T(n,8); 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: A051252 A005429 A035606 this_sequence A009670 A024236 A119703` `Adjacent sequences: A157054 A157055 A157056 this_sequence A157058 A157059 A157060`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net) Feb 22 2009`

page 1

Search completed in 0.002 seconds

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

AT&T Labs Research