A120840 as tables, graphs or sounds

A120840 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`2`
`2`		`544`
`3`		`1933442`
`4`		`152544843904`
`5`		`298022376588343682`
`6`		`14551915078272216509641504`
`7`		`17763568393763205317547489159863042`
`8`		`542101086242748783319906107922486197863801344`

[0,2,544,1933442,152544843904,298022376588343682, 14551915078272216509641504, 17763568393763205317547489159863042, 542101086242748783319906107922486197863801344]

Last modified December 5 23:38 EST 2009. Contains 170428 sequences.

AT&T Labs Research