A086677 as tables, graphs or sounds

A086677 formatted as a simple table:

`n`		`a(n)`
`2`		`1`
`3`		`4`
`4`		`31`
`5`		`360`
`6`		`5625`
`7`		`110880`
`8`		`2643795`
`9`		`74035080`
`10`		`2382538725`
`11`		`86656878000`
`12`		`3515761193175`
`13`		`157425426358200`
`14`		`7711961781949425`
`15`		`410298436511964000`
`16`		`23559634669682986875`
`17`		`1452240056377167057000`
`18`		`95649328231839993736125`

[1,4,31,360,5625,110880,2643795,74035080, 2382538725,86656878000,3515761193175, 157425426358200,7711961781949425, 410298436511964000,23559634669682986875, 1452240056377167057000,95649328231839993736125]

Last modified December 16 13:01 EST 2009. Contains 170825 sequences.

AT&T Labs Research