A000081 as tables, graphs or sounds

A000081 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`4`
`5`		`9`
`6`		`20`
`7`		`48`
`8`		`115`
`9`		`286`
`10`		`719`
`11`		`1842`
`12`		`4766`
`13`		`12486`
`14`		`32973`
`15`		`87811`
`16`		`235381`
`17`		`634847`
`18`		`1721159`
`19`		`4688676`
`20`		`12826228`
`21`		`35221832`
`22`		`97055181`
`23`		`268282855`
`24`		`743724984`
`25`		`2067174645`
`26`		`5759636510`
`27`		`16083734329`
`28`		`45007066269`
`29`		`126186554308`
`30`		`354426847597`

[0,1,1,2,4,9,20,48,115,286,719,1842,4766,12486, 32973,87811,235381,634847,1721159,4688676, 12826228,35221832,97055181,268282855,743724984, 2067174645,5759636510,16083734329,45007066269, 126186554308,354426847597]

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

AT&T Labs Research