A072640 as tables, graphs or sounds

A072640 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`3`
`3`		`11`
`4`		`100`
`5`		`2090`
`6`		`415729`
`7`		`15670134831`
`8`		`2990945138477441778`
`9`		`28553369883190773267638351857949`
`10`		`22025764139998888788032314837232820672093881927968648914`

[0,1,3,11,100,2090,415729,15670134831, 2990945138477441778, 28553369883190773267638351857949, 22025764139998888788032314837232820672093881927968648914]

Last modified December 4 15:11 EST 2009. Contains 170347 sequences.

AT&T Labs Research