A012830 as tables, graphs or sounds

A012830 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`88`
`3`		`4184`
`4`		`398848`
`5`		`58835456`
`6`		`12993783424`
`7`		`3911934210560`
`8`		`1562951627091968`
`9`		`793328025614454784`
`10`		`501079933291827593216`
`11`		`384338283691725654392832`
`12`		`352458553186266111883247616`

[1,4,88,4184,398848,58835456,12993783424, 3911934210560,1562951627091968,793328025614454784, 501079933291827593216,384338283691725654392832, 352458553186266111883247616]

Last modified December 21 10:15 EST 2009. Contains 171081 sequences.

AT&T Labs Research