A001470 as tables, graphs or sounds

A001470 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`3`
`4`		`9`
`5`		`21`
`6`		`81`
`7`		`351`
`8`		`1233`
`9`		`5769`
`10`		`31041`
`11`		`142011`
`12`		`776601`
`13`		`4874013`
`14`		`27027729`
`15`		`168369111`
`16`		`1191911841`
`17`		`7678566801`
`18`		`53474964993`
`19`		`418199988339`
`20`		`3044269834281`
`21`		`23364756531621`
`22`		`199008751634001`
`23`		`1605461415071823`

[1,1,1,3,9,21,81,351,1233,5769,31041,142011, 776601,4874013,27027729,168369111,1191911841, 7678566801,53474964993,418199988339,3044269834281, 23364756531621,199008751634001,1605461415071823]

Last modified December 4 23:11 EST 2009. Contains 170347 sequences.

AT&T Labs Research