A006963 as tables, graphs or sounds

A006963 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`3`
`4`		`20`
`5`		`210`
`6`		`3024`
`7`		`55440`
`8`		`1235520`
`9`		`32432400`
`10`		`980179200`
`11`		`33522128640`
`12`		`1279935820800`
`13`		`53970627110400`
`14`		`2490952020480000`
`15`		`124903451312640000`
`16`		`6761440164390912000`
`17`		`393008709555221760000`
`18`		`24412776311194951680000`
`19`		`1613955767240110694400000`

[1,1,3,20,210,3024,55440,1235520,32432400, 980179200,33522128640,1279935820800, 53970627110400,2490952020480000, 124903451312640000,6761440164390912000, 393008709555221760000,24412776311194951680000, 1613955767240110694400000]

Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

AT&T Labs Research