A073478 as tables, graphs or sounds

A073478 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`9`
`4`		`44`
`5`		`290`
`6`		`2154`
`7`		`19026`
`8`		`186752`
`9`		`2070792`
`10`		`25119720`
`11`		`334960560`
`12`		`4824346152`
`13`		`75100568088`
`14`		`1250180063664`
`15`		`22235660291880`
`16`		`419595248663040`
`17`		`8388866239417920`
`18`		`176823515257447104`
`19`		`3923498370610292544`

[1,1,2,9,44,290,2154,19026,186752,2070792, 25119720,334960560,4824346152,75100568088, 1250180063664,22235660291880,419595248663040, 8388866239417920,176823515257447104, 3923498370610292544]

Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

AT&T Labs Research