A020011 as tables, graphs or sounds

A020011 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`0`
`3`		`1`
`4`		`4`
`5`		`17`
`6`		`92`
`7`		`587`
`8`		`4324`
`9`		`36162`
`10`		`338611`
`11`		`3509239`
`12`		`39877720`
`13`		`493033635`
`14`		`6588722213`
`15`		`94638009964`
`16`		`1453983971265`
`17`		`23792464984330`
`18`		`413123710182463`
`19`		`7586453586987049`
`20`		`146901328548021943`
`21`		`2991445235886992290`

[1,0,0,1,4,17,92,587,4324,36162,338611,3509239, 39877720,493033635,6588722213,94638009964, 1453983971265,23792464984330,413123710182463, 7586453586987049,146901328548021943, 2991445235886992290]

Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

AT&T Labs Research