A055272 as tables, graphs or sounds

A055272 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`6`
`2`		`42`
`3`		`294`
`4`		`2058`
`5`		`14406`
`6`		`100842`
`7`		`705894`
`8`		`4941258`
`9`		`34588806`
`10`		`242121642`
`11`		`1694851494`
`12`		`11863960458`
`13`		`83047723206`
`14`		`581334062442`
`15`		`4069338437094`
`16`		`28485369059658`
`17`		`199397583417606`
`18`		`1395783083923242`
`19`		`9770481587462694`

[1,6,42,294,2058,14406,100842,705894,4941258, 34588806,242121642,1694851494,11863960458, 83047723206,581334062442,4069338437094, 28485369059658,199397583417606,1395783083923242, 9770481587462694]

Last modified December 9 18:50 EST 2009. Contains 170568 sequences.

AT&T Labs Research