A106174 as tables, graphs or sounds

A106174 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`4`
`3`		`23`
`4`		`180`
`5`		`1777`
`6`		`21144`
`7`		`294239`
`8`		`4686680`
`9`		`84066001`
`10`		`1676633340`
`11`		`36801867479`
`12`		`881568186156`
`13`		`22883970972577`
`14`		`639869619046000`
`15`		`19173204600407423`
`16`		`612902677593991536`
`17`		`20819517833595304801`
`18`		`748889739331836981300`

[0,1,4,23,180,1777,21144,294239,4686680,84066001, 1676633340,36801867479,881568186156, 22883970972577,639869619046000,19173204600407423, 612902677593991536,20819517833595304801, 748889739331836981300]

Last modified December 10 00:48 EST 2009. Contains 170565 sequences.

AT&T Labs Research