A070521 as tables, graphs or sounds

A070521 formatted as a simple table:

`n`		`a(n)`
`1`		`2`
`2`		`7`
`3`		`121`
`4`		`5461`
`5`		`12207031`
`6`		`2612138803`
`7`		`38771752331201`
`8`		`20587884010836553`
`9`		`1107867264956562636991`
`10`		`11111111111111111111111111111`
`11`		`19194342495775048050414684129181`

[2,7,121,5461,12207031,2612138803,38771752331201, 20587884010836553,1107867264956562636991, 11111111111111111111111111111, 19194342495775048050414684129181]

Last modified December 13 23:45 EST 2009. Contains 170824 sequences.

AT&T Labs Research