id:A133666 - OEIS Search Results

Search: id:A133666

Displaying 1-1 of 1 results found.

page 1

a(n)=a(n-1)-16*a(n-2), a(0)=1, a(1)=4 .

+0
2

1, 4, -12, -76, 116, 1332, -524, -21836, -13452, 335924, 551156, -4823628, -13642124, 63535924, 281809908, -734764876, -5243723404, 6512514612, 90412089076, -12788144716, -1460381569932 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`G.f.:(1+3x)/(1-x+16x^2) .` `a(n)=Sum_{k, 0<=k<=n}A133607(n,k)*4^k. - Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Dec 29 2007`
	CROSSREFS	`Sequence in context: A009621 A013195 A052558 this_sequence A078628 A027145 A010370` `Adjacent sequences: A133663 A133664 A133665 this_sequence A133667 A133668 A133669`
	KEYWORD	`easy,sign`
	AUTHOR	`Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Dec 28 2007, corrected Jan 04 2008`

page 1

Search completed in 0.002 seconds

Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.

AT&T Labs Research