A000273 as tables, graphs or sounds

A000273 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`3`
`3`		`16`
`4`		`218`
`5`		`9608`
`6`		`1540944`
`7`		`882033440`
`8`		`1793359192848`
`9`		`13027956824399552`
`10`		`341260431952972580352`
`11`		`32522909385055886111197440`
`12`		`11366745430825400574433894004224`

[1,1,3,16,218,9608,1540944,882033440, 1793359192848,13027956824399552, 341260431952972580352,32522909385055886111197440, 11366745430825400574433894004224]

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

AT&T Labs Research