A154996 as tables, graphs or sounds

A154996 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`9`
`3`		`65`
`4`		`505`
`5`		`3825`
`6`		`29225`
`7`		`222625`
`8`		`1697625`
`9`		`12940625`
`10`		`98655625`
`11`		`752090625`
`12`		`5733565625`
`13`		`43709640625`
`14`		`333219515625`
`15`		`2540290390625`
`16`		`19365842265625`
`17`		`147635019140625`
`18`		`1125491941015625`
`19`		`8580160087890625`
`20`		`65410639259765625`

[1,1,9,65,505,3825,29225,222625,1697625,12940625, 98655625,752090625,5733565625,43709640625, 333219515625,2540290390625,19365842265625, 147635019140625,1125491941015625,8580160087890625, 65410639259765625]

Last modified December 19 12:50 EST 2009. Contains 171053 sequences.

AT&T Labs Research