A005638 as tables, graphs or sounds

A005638 formatted as a simple table:

`n`		`a(n)`
`2`		`1`
`3`		`2`
`4`		`6`
`5`		`21`
`6`		`94`
`7`		`540`
`8`		`4207`
`9`		`42110`
`10`		`516344`
`11`		`7373924`
`12`		`118573592`
`13`		`2103205738`
`14`		`40634185402`
`15`		`847871397424`
`16`		`18987149095005`
`17`		`454032821688754`
`18`		`11544329612485981`
`19`		`310964453836198311`
`20`		`8845303172513781271`

[1,2,6,21,94,540,4207,42110,516344,7373924, 118573592,2103205738,40634185402,847871397424, 18987149095005,454032821688754,11544329612485981, 310964453836198311,8845303172513781271]

Last modified December 7 08:40 EST 2009. Contains 170430 sequences.

AT&T Labs Research