A006078 as tables, graphs or sounds

A006078 formatted as a simple table:

`n`		`a(n)`
`2`		`1`
`3`		`1`
`4`		`5`
`5`		`12`
`6`		`45`
`7`		`143`
`8`		`511`
`9`		`1768`
`10`		`6330`
`11`		`22610`
`12`		`81818`
`13`		`297160`
`14`		`1086813`
`15`		`3991995`
`16`		`14733435`
`17`		`54587280`
`18`		`203000094`
`19`		`757398510`
`20`		`2834519142`
`21`		`10637507400`
`22`		`40023665682`
`23`		`150946230006`
`24`		`570534682710`
`25`		`2160865067312`
`26`		`8199711750100`

[1,1,5,12,45,143,511,1768,6330,22610,81818,297160, 1086813,3991995,14733435,54587280,203000094, 757398510,2834519142,10637507400,40023665682, 150946230006,570534682710,2160865067312, 8199711750100]

Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

AT&T Labs Research