A053502 as tables, graphs or sounds

A053502 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`6`
`4`		`24`
`5`		`96`
`6`		`576`
`7`		`3312`
`8`		`21456`
`9`		`152784`
`10`		`1237536`
`11`		`9984096`
`12`		`133494912`
`13`		`1412107776`
`14`		`16369357824`
`15`		`206123325696`
`16`		`2866280276736`
`17`		`36809077162752`
`18`		`592066290710016`
`19`		`8800038127378944`
`20`		`136876273991755776`
`21`		`2197453620220010496`

[1,1,2,6,24,96,576,3312,21456,152784,1237536, 9984096,133494912,1412107776,16369357824, 206123325696,2866280276736,36809077162752, 592066290710016,8800038127378944, 136876273991755776,2197453620220010496]

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

AT&T Labs Research