A094639 as tables, graphs or sounds

A094639 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`6`
`3`		`31`
`4`		`227`
`5`		`1991`
`6`		`19415`
`7`		`203456`
`8`		`2248356`
`9`		`25887400`
`10`		`307993016`
`11`		`3763786812`
`12`		`47032778956`
`13`		`598933188956`
`14`		`7751562502556`
`15`		`101741582076581`
`16`		`1351906409905481`
`17`		`18159677984049581`
`18`		`246298405721739581`

[1,2,6,31,227,1991,19415,203456,2248356,25887400, 307993016,3763786812,47032778956,598933188956, 7751562502556,101741582076581,1351906409905481, 18159677984049581,246298405721739581]

Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research