A121676 as tables, graphs or sounds

A121676 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`6`
`3`		`32`
`4`		`250`
`5`		`2412`
`6`		`27524`
`7`		`360600`
`8`		`5296050`
`9`		`85805420`
`10`		`1515794467`
`11`		`28926900312`
`12`		`591903009295`
`13`		`12907255696636`
`14`		`298428274844730`
`15`		`7284351640977920`
`16`		`187013495992710210`
`17`		`5033669346061547724`
`18`		`141643700005223732471`

[1,2,6,32,250,2412,27524,360600,5296050,85805420, 1515794467,28926900312,591903009295, 12907255696636,298428274844730,7284351640977920, 187013495992710210,5033669346061547724, 141643700005223732471]

Last modified December 2 11:54 EST 2009. Contains 167921 sequences.

AT&T Labs Research