A000084 as tables, graphs or sounds

A000084 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`4`
`4`		`10`
`5`		`24`
`6`		`66`
`7`		`180`
`8`		`522`
`9`		`1532`
`10`		`4624`
`11`		`14136`
`12`		`43930`
`13`		`137908`
`14`		`437502`
`15`		`1399068`
`16`		`4507352`
`17`		`14611576`
`18`		`47633486`
`19`		`156047204`
`20`		`513477502`
`21`		`1696305728`
`22`		`5623993944`
`23`		`18706733128`
`24`		`62408176762`
`25`		`208769240140`
`26`		`700129713630`
`27`		`2353386723912`

[1,2,4,10,24,66,180,522,1532,4624,14136,43930, 137908,437502,1399068,4507352,14611576,47633486, 156047204,513477502,1696305728,5623993944, 18706733128,62408176762,208769240140,700129713630, 2353386723912]

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

AT&T Labs Research