A132847 as tables, graphs or sounds

A132847 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`9`
`3`		`42`
`4`		`270`
`5`		`1785`
`6`		`13657`
`7`		`108606`
`8`		`943677`
`9`		`8534290`
`10`		`82099523`
`11`		`819569205`
`12`		`8575756709`
`13`		`92782439316`
`14`		`1042810799150`
`15`		`12077608219410`
`16`		`144446181373140`
`17`		`1774918640030754`
`18`		`22425992057948620`
`19`		`290381947113460848`

[1,2,9,42,270,1785,13657,108606,943677,8534290, 82099523,819569205,8575756709,92782439316, 1042810799150,12077608219410,144446181373140, 1774918640030754,22425992057948620, 290381947113460848]

Last modified December 2 11:54 EST 2009. Contains 167921 sequences.

AT&T Labs Research