A075872 as tables, graphs or sounds

A075872 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`5`
`5`		`42`
`6`		`132`
`7`		`1144`
`8`		`3978`
`9`		`35530`
`10`		`690690`
`11`		`2731365`
`12`		`50067108`
`13`		`429757960`
`14`		`1822766520`
`15`		`15991836267`
`16`		`280086337895`
`17`		`4703540164785`
`18`		`21512315482350`
`19`		`360471372561300`
`20`		`3174207914954076`
`21`		`14859478810664136`
`22`		`248599618581498860`

[1,1,2,5,42,132,1144,3978,35530,690690,2731365, 50067108,429757960,1822766520,15991836267, 280086337895,4703540164785,21512315482350, 360471372561300,3174207914954076, 14859478810664136,248599618581498860]

Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research