A075533 as tables, graphs or sounds

A075533 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`0`
`4`		`12`
`5`		`0`
`6`		`0`
`7`		`840`
`8`		`0`
`9`		`0`
`10`		`50400`
`11`		`831600`
`12`		`0`
`13`		`0`
`14`		`302702400`
`15`		`1135134000`
`16`		`14529715200`
`17`		`0`
`18`		`2315673360000`
`19`		`15545887156800`
`20`		`140792940288000`
`21`		`443497761907200`
`22`		`28006062372288000`
`23`		`623360743125120000`

[1,2,0,12,0,0,840,0,0,50400,831600,0,0,302702400, 1135134000,14529715200,0,2315673360000, 15545887156800,140792940288000,443497761907200, 28006062372288000,623360743125120000]

Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

AT&T Labs Research