id:A117080 - OEIS Search Results

Search: id:A117080

Displaying 1-1 of 1 results found.

page 1

a(n) = 2a(n-1)+a(n-3)+1 with a(1)=1, a(2)=3, a(3)=8.

+0
1

1, 3, 8, 18, 40, 89, 197, 435, 960, 2118, 4672, 10305, 22729, 50131, 110568, 243866, 537864, 1186297, 2616461, 5770787, 12727872, 28072206, 61915200, 136558273, 301188753, 664292707, 1465143688, 3231476130, 7127244968, 15719633625, 34670743381, 76468731731 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A026657 A036384 A080692 this_sequence A066425 A026679 A026756` `Adjacent sequences: A117077 A117078 A117079 this_sequence A117081 A117082 A117083`
	KEYWORD	`nonn`
	AUTHOR	`njas, following a suggestion of Franklin T. Adams-Watters, Apr 20 2006`

page 1

Search completed in 0.002 seconds

Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research