A002272 as tables, graphs or sounds

A002272 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`0`
`3`		`261120`
`4`		`18947520`
`5`		`535818240`
`6`		`8320327680`
`7`		`83347937280`
`8`		`622558664640`
`9`		`3614759362560`
`10`		`17694184734720`
`11`		`73337844372480`
`12`		`272615629589760`
`13`		`898646461378560`
`14`		`2752654757806080`
`15`		`7687895624386560`

[1,0,0,261120,18947520,535818240,8320327680, 83347937280,622558664640,3614759362560, 17694184734720,73337844372480,272615629589760, 898646461378560,2752654757806080, 7687895624386560]

Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

AT&T Labs Research