A012473 as tables, graphs or sounds

A012473 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`-1`
`3`		`3`
`4`		`6`
`5`		`-60`
`6`		`0`
`7`		`2310`
`8`		`-10752`
`9`		`-84168`
`10`		`1152240`
`11`		`2453880`
`12`		`-154467192`
`13`		`797768400`
`14`		`16907851688`
`15`		`-250017997320`
`16`		`-1746679208128`
`17`		`77446551835648`
`18`		`-318565680255360`
`19`		`-18241668233387712`
`20`		`262053618149070080`

[1,0,-1,3,6,-60,0,2310,-10752,-84168,1152240, 2453880,-154467192,797768400,16907851688, -250017997320,-1746679208128,77446551835648, -318565680255360,-18241668233387712, 262053618149070080]

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

AT&T Labs Research