A054726 as tables, graphs or sounds

A054726 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`8`
`5`		`48`
`6`		`352`
`7`		`2880`
`8`		`25216`
`9`		`231168`
`10`		`2190848`
`11`		`21292032`
`12`		`211044352`
`13`		`2125246464`
`14`		`21681954816`
`15`		`223623069696`
`16`		`2327818174464`
`17`		`24424842461184`
`18`		`258054752698368`
`19`		`2742964283768832`
`20`		`29312424612462592`
`21`		`314739971287154688`

[1,1,2,8,48,352,2880,25216,231168,2190848, 21292032,211044352,2125246464,21681954816, 223623069696,2327818174464,24424842461184, 258054752698368,2742964283768832, 29312424612462592,314739971287154688]

Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

AT&T Labs Research