A047660 as tables, graphs or sounds

A047660 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`0`
`4`		`1`
`5`		`2`
`6`		`40`
`7`		`0`
`8`		`703760`
`9`		`131328`
`10`		`300241541128192`
`11`		`0`
`12`		`28170013344558609991874248704`
`13`		`24595658799308603392`
`14`		`9502080486519653717758562294813775233459455787008`
`15`		`0`

[1,1,0,1,2,40,0,703760,131328,300241541128192,0, 28170013344558609991874248704, 24595658799308603392, 9502080486519653717758562294813775233459455787008, 0]

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

AT&T Labs Research