A006789 as tables, graphs or sounds

A006789 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`5`
`4`		`14`
`5`		`43`
`6`		`143`
`7`		`509`
`8`		`1922`
`9`		`7651`
`10`		`31965`
`11`		`139685`
`12`		`636712`
`13`		`3020203`
`14`		`14878176`
`15`		`75982829`
`16`		`401654560`
`17`		`2194564531`
`18`		`12377765239`
`19`		`71980880885`
`20`		`431114329728`
`21`		`2656559925883`
`22`		`16825918195484`
`23`		`109439943234749`
`24`		`730365368850192`

[1,1,2,5,14,43,143,509,1922,7651,31965,139685, 636712,3020203,14878176,75982829,401654560, 2194564531,12377765239,71980880885,431114329728, 2656559925883,16825918195484,109439943234749, 730365368850192]

Last modified December 19 12:50 EST 2009. Contains 171053 sequences.

AT&T Labs Research