A033030 as tables, graphs or sounds

A033030 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`3`
`3`		`18`
`4`		`189`
`5`		`2484`
`6`		`40095`
`7`		`766422`
`8`		`16936857`
`9`		`424878696`
`10`		`11929019931`
`11`		`370616958810`
`12`		`12624017298453`
`13`		`467806833261468`
`14`		`18736803171836919`
`15`		`806593620214132254`
`16`		`37139869052368612785`
`17`		`1821430208283971761872`
`18`		`94787073944153359107507`
`19`		`5216859224231615866946466`

[1,0,3,18,189,2484,40095,766422,16936857, 424878696,11929019931,370616958810,12624017298453, 467806833261468,18736803171836919, 806593620214132254,37139869052368612785, 1821430208283971761872,94787073944153359107507, 5216859224231615866946466]

Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

AT&T Labs Research