A081555 as tables, graphs or sounds

A081555 formatted as a simple table:

`n`		`a(n)`
`0`		`3`
`1`		`7`
`2`		`35`
`3`		`199`
`4`		`1155`
`5`		`6727`
`6`		`39203`
`7`		`228487`
`8`		`1331715`
`9`		`7761799`
`10`		`45239075`
`11`		`263672647`
`12`		`1536796803`
`13`		`8957108167`
`14`		`52205852195`
`15`		`304278004999`
`16`		`1773462177795`
`17`		`10336495061767`
`18`		`60245508192803`
`19`		`351136554095047`
`20`		`2046573816377475`

[3,7,35,199,1155,6727,39203,228487,1331715, 7761799,45239075,263672647,1536796803,8957108167, 52205852195,304278004999,1773462177795, 10336495061767,60245508192803,351136554095047, 2046573816377475]

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research