A027644 as tables, graphs or sounds

A027644 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`36`
`3`		`24`
`4`		`450`
`5`		`40`
`6`		`2205`
`7`		`168`
`8`		`350`
`9`		`120`
`10`		`38115`
`11`		`88`
`12`		`40990950`
`13`		`10920`
`14`		`5005`
`15`		`24`
`16`		`130180050`
`17`		`136`
`18`		`1935088155`
`19`		`3192`
`20`		`177827650`
`21`		`1320`
`22`		`1539340803`
`23`		`184`
`24`		`304521767550`
`25`		`10920`
`26`		`37182145`
`27`		`24`
`28`		`2814316555050`
`29`		`1160`

[1,4,36,24,450,40,2205,168,350,120,38115,88, 40990950,10920,5005,24,130180050,136,1935088155, 3192,177827650,1320,1539340803,184,304521767550, 10920,37182145,24,2814316555050,1160]

Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

AT&T Labs Research