A001565 as tables, graphs or sounds

A001565 formatted as a simple table:

`n`		`a(n)`
`0`		`2`
`1`		`11`
`2`		`64`
`3`		`426`
`4`		`3216`
`5`		`27240`
`6`		`256320`
`7`		`2656080`
`8`		`30078720`
`9`		`369774720`
`10`		`4906137600`
`11`		`69894316800`
`12`		`1064341555200`
`13`		`17255074636800`
`14`		`296754903244800`
`15`		`5396772116736000`
`16`		`103484118786048000`
`17`		`2086818140639232000`
`18`		`44150769074700288000`
`19`		`977904962186600448000`

[2,11,64,426,3216,27240,256320,2656080,30078720, 369774720,4906137600,69894316800,1064341555200, 17255074636800,296754903244800,5396772116736000, 103484118786048000,2086818140639232000, 44150769074700288000,977904962186600448000]

Last modified December 4 08:07 EST 2009. Contains 170310 sequences.

AT&T Labs Research