A161940 as tables, graphs or sounds

A161940 formatted as a simple table:

`n`		`a(n)`
`0`		`3`
`1`		`17`
`2`		`101`
`3`		`619`
`4`		`3867`
`5`		`24433`
`6`		`155389`
`7`		`991931`
`8`		`6345363`
`9`		`40639217`
`10`		`260448821`
`11`		`1669786219`
`12`		`10707539307`
`13`		`68670310033`
`14`		`440429696269`
`15`		`2824879831931`
`16`		`18118915305123`
`17`		`116216916916817`
`18`		`745434117150341`
`19`		`4781352082416619`

[3,17,101,619,3867,24433,155389,991931,6345363, 40639217,260448821,1669786219,10707539307, 68670310033,440429696269,2824879831931, 18118915305123,116216916916817,745434117150341, 4781352082416619]

Last modified December 5 20:25 EST 2009. Contains 170428 sequences.

AT&T Labs Research