A039647 as tables, graphs or sounds

A039647 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`3`
`3`		`8`
`4`		`42`
`5`		`264`
`6`		`2160`
`7`		`20880`
`8`		`236880`
`9`		`3064320`
`10`		`44634240`
`11`		`722131200`
`12`		`12853209600`
`13`		`249559833600`
`14`		`5249378534400`
`15`		`118911189196800`
`16`		`2886037330176000`
`17`		`74715282690048000`
`18`		`2055161959538688000`
`19`		`59855791774851072000`

[1,3,8,42,264,2160,20880,236880,3064320,44634240, 722131200,12853209600,249559833600,5249378534400, 118911189196800,2886037330176000, 74715282690048000,2055161959538688000, 59855791774851072000]

Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

AT&T Labs Research