A000670 as tables, graphs or sounds

A000670 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`3`
`3`		`13`
`4`		`75`
`5`		`541`
`6`		`4683`
`7`		`47293`
`8`		`545835`
`9`		`7087261`
`10`		`102247563`
`11`		`1622632573`
`12`		`28091567595`
`13`		`526858348381`
`14`		`10641342970443`
`15`		`230283190977853`
`16`		`5315654681981355`
`17`		`130370767029135901`
`18`		`3385534663256845323`

[1,1,3,13,75,541,4683,47293,545835,7087261, 102247563,1622632573,28091567595,526858348381, 10641342970443,230283190977853,5315654681981355, 130370767029135901,3385534663256845323]

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research