A152690 as tables, graphs or sounds

A152690 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`4`
`4`		`16`
`5`		`304`
`6`		`34864`
`7`		`24918064`
`8`		`125436246064`
`9`		`5056710181206064`
`10`		`1834938528961266006064`
`11`		`6658608419043265483506006064`
`12`		`265790273955000365854215115506006064`

[1,2,4,16,304,34864,24918064,125436246064, 5056710181206064,1834938528961266006064, 6658608419043265483506006064, 265790273955000365854215115506006064]

Last modified December 5 23:38 EST 2009. Contains 170428 sequences.

AT&T Labs Research