A081783 as tables, graphs or sounds

A081783 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`172`
`3`		`181307`
`4`		`241328833528`
`5`		`824652019956267685427678`
`6`		`768422457901766762303892554138930904416139509281`
`7`		`2110688056630901907060877896737932376507936264268382076456539236145849709148481095915090382331184`

[1,4,172,181307,241328833528, 824652019956267685427678, 768422457901766762303892554138930904416139509281, 2110688056630901907060877896737932376507936264268382076456539236145849709148481095915090382331184]

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

AT&T Labs Research