A108884 as tables, graphs or sounds

A108884 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`3`
`3`		`20`
`4`		`1`
`5`		`42`
`6`		`231`
`7`		`3432`
`8`		`12870`
`9`		`48620`
`10`		`16796`
`11`		`88179`
`12`		`117572`
`13`		`10400600`
`14`		`2111400`
`15`		`3447056`
`16`		`100180065`
`17`		`51857916`
`18`		`756261275`
`19`		`35345263800`
`20`		`68923264410`
`21`		`48932534040`
`22`		`420819792744`
`23`		`8233430727600`
`24`		`10749201227700`
`25`		`63205303218876`
`26`		`15997372030584`

[1,2,3,20,1,42,231,3432,12870,48620,16796,88179, 117572,10400600,2111400,3447056,100180065, 51857916,756261275,35345263800,68923264410, 48932534040,420819792744,8233430727600, 10749201227700,63205303218876,15997372030584]

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

AT&T Labs Research