id:A077876 - OEIS Search Results

Search: id:A077876

Displaying 1-1 of 1 results found.

page 1

Expansion of (1-x)^(-1)/(1-x+2*x^2).

+0
1

1, 2, 1, -2, -3, 2, 9, 6, -11, -22, 1, 46, 45, -46, -135, -42, 229, 314, -143, -770, -483, 1058, 2025, -90, -4139, -3958, 4321, 12238, 3597, -20878, -28071, 13686, 69829, 42458, -97199, -182114, 12285, 376514, 351945, -401082, -1104971, -302806, 1907137, 2512750, -1301523, -6327022 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Row sums of Riordan array (1/(1-x),x(1-2x)). - Paul Barry (pbarry(AT)wit.ie), Jul 18 2005`
	LINKS	`Index entries for sequences related to Chebyshev polynomials.`
	FORMULA	`a(n)=sum{k=0..n, U(k, 1/(2sqrt(2))(2sqrt(2))^k } - Paul Barry (pbarry(AT)wit.ie), Nov 20 2003`
	CROSSREFS	`Sequence in context: A035368 A107853 A054758 this_sequence A095056 A117127 A136624` `Adjacent sequences: A077873 A077874 A077875 this_sequence A077877 A077878 A077879`
	KEYWORD	`sign`
	AUTHOR	`njas, Nov 17 2002`

page 1

Search completed in 0.002 seconds

Last modified July 6 17:22 EDT 2008. Contains 140988 sequences.

AT&T Labs Research