A123117 as tables, graphs or sounds

A123117 formatted as a simple table:

`n`		`a(n)`
`1`		`2`
`2`		`8`
`3`		`70`
`4`		`722`
`5`		`8220`
`6`		`99820`
`7`		`1265204`
`8`		`16547220`
`9`		`221653776`
`10`		`3025553180`
`11`		`41931984034`
`12`		`588491482334`
`13`		`8346638665718`
`14`		`119447839104366`
`15`		`1722663727780132`
`16`		`25011714460877474`
`17`		`365301750223042066`
`18`		`5363288299585278800`
`19`		`79110709437891746598`
`20`		`1171806326862876802144`

[2,8,70,722,8220,99820,1265204,16547220,221653776, 3025553180,41931984034,588491482334,8346638665718, 119447839104366,1722663727780132, 25011714460877474,365301750223042066, 5363288299585278800,79110709437891746598, 1171806326862876802144]

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

AT&T Labs Research