A067411 as tables, graphs or sounds

A067411 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`24`
`3`		`144`
`4`		`864`
`5`		`5184`
`6`		`31104`
`7`		`186624`
`8`		`1119744`
`9`		`6718464`
`10`		`40310784`
`11`		`241864704`
`12`		`1451188224`
`13`		`8707129344`
`14`		`52242776064`
`15`		`313456656384`
`16`		`1880739938304`
`17`		`11284439629824`
`18`		`67706637778944`
`19`		`406239826673664`

[1,4,24,144,864,5184,31104,186624,1119744,6718464, 40310784,241864704,1451188224,8707129344, 52242776064,313456656384,1880739938304, 11284439629824,67706637778944,406239826673664]

Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

AT&T Labs Research