A011815 as tables, graphs or sounds

A011815 formatted as a simple table:

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`0`
`5`		`0`
`6`		`0`
`7`		`0`
`8`		`1`
`9`		`166`
`10`		`17084`
`11`		`1429000`
`12`		`107722408`
`13`		`7709260963`
`14`		`539697521271`
`15`		`37652839010763`
`16`		`2649928897359089`
`17`		`189683841710882135`
`18`		`13888624543485989550`
`19`		`1044391475357613415884`

[0,0,0,0,0,0,0,1,166,17084,1429000,107722408, 7709260963,539697521271,37652839010763, 2649928897359089,189683841710882135, 13888624543485989550,1044391475357613415884]

Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

AT&T Labs Research