A081780 as tables, graphs or sounds

A081780 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`3`
`2`		`16`
`3`		`405`
`4`		`672320`
`5`		`1352290629546`
`6`		`4817801789405093582066881`
`7`		`125242334906904794515426191021121381708761081802849`
`8`		`48098205042808280233282792304806428848378744166690329294696649253234314988369597043479633480454760546`

[1,3,16,405,672320,1352290629546, 4817801789405093582066881, 125242334906904794515426191021121381708761081802849, 48098205042808280233282792304806428848378744166690329294696649253234314988369597043479633480454760546]

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

AT&T Labs Research