A144465 as tables, graphs or sounds

A144465 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`4`
`3`		`23`
`4`		`121`
`5`		`617`
`6`		`3109`
`7`		`15593`
`8`		`78061`
`9`		`390497`
`10`		`1952869`
`11`		`9765113`
`12`		`48827101`
`13`		`244138577`
`14`		`1220699029`
`15`		`6103507433`
`16`		`30517561741`
`17`		`152587857857`
`18`		`762939387589`
`19`		`3814697134553`
`20`		`19073486065981`
`21`		`9536743111633`

[1,4,23,121,617,3109,15593,78061,390497,1952869, 9765113,48827101,244138577,1220699029,6103507433, 30517561741,152587857857,762939387589, 3814697134553,19073486065981,9536743111633]

Last modified December 9 18:50 EST 2009. Contains 170568 sequences.

AT&T Labs Research