A161947 as tables, graphs or sounds

A161947 formatted as a simple table:

`n`		`a(n)`
`0`		`2`
`1`		`11`
`2`		`64`
`3`		`387`
`4`		`2398`
`5`		`15079`
`6`		`95636`
`7`		`609543`
`8`		`3895802`
`9`		`24938531`
`10`		`159781864`
`11`		`1024232427`
`12`		`6567341398`
`13`		`42116068159`
`14`		`270111829436`
`15`		`1732448726703`
`16`		`11111915190002`
`17`		`71272831185851`
`18`		`457154262488464`
`19`		`2932267507610067`

[2,11,64,387,2398,15079,95636,609543,3895802, 24938531,159781864,1024232427,6567341398, 42116068159,270111829436,1732448726703, 11111915190002,71272831185851,457154262488464, 2932267507610067]

Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

AT&T Labs Research