A080989 as tables, graphs or sounds

A080989 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`4`
`3`		`76`
`4`		`31996`
`5`		`6509938156`
`6`		`305202648617286353116`
`7`		`751042364315893065602546739334386372522316`
`8`		`5042066805299767273773988103135929366654804375467223444639109745553463308647365564476`

[1,4,76,31996,6509938156,305202648617286353116, 751042364315893065602546739334386372522316, 5042066805299767273773988103135929366654804375467223444639109745553463308647365564476]

Last modified December 21 10:15 EST 2009. Contains 171081 sequences.

AT&T Labs Research