A077613 as tables, graphs or sounds

A077613 formatted as a simple table:

`n`		`a(n)`
`1`		`0`
`2`		`1`
`3`		`4`
`4`		`24`
`5`		`144`
`6`		`1080`
`7`		`8640`
`8`		`80640`
`9`		`806400`
`10`		`9072000`
`11`		`108864000`
`12`		`1437004800`
`13`		`20118067200`
`14`		`305124019200`
`15`		`4881984307200`
`16`		`83691159552000`
`17`		`1506440871936000`
`18`		`28810681675776000`
`19`		`576213633515520000`

[0,1,4,24,144,1080,8640,80640,806400,9072000, 108864000,1437004800,20118067200,305124019200, 4881984307200,83691159552000,1506440871936000, 28810681675776000,576213633515520000]

Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research