A038205 as tables, graphs or sounds

A038205 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`0`
`3`		`2`
`4`		`6`
`5`		`24`
`6`		`160`
`7`		`1140`
`8`		`8988`
`9`		`80864`
`10`		`809856`
`11`		`8907480`
`12`		`106877320`
`13`		`1389428832`
`14`		`19452141696`
`15`		`291781655984`
`16`		`4668504894480`
`17`		`79364592318720`
`18`		`1428562679845888`
`19`		`27142690734936864`
`20`		`542853814536802656`
`21`		`11399930109077490560`

[1,0,0,2,6,24,160,1140,8988,80864,809856,8907480, 106877320,1389428832,19452141696,291781655984, 4668504894480,79364592318720,1428562679845888, 27142690734936864,542853814536802656, 11399930109077490560]

Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

AT&T Labs Research