A048470 as tables, graphs or sounds

A048470 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`3`
`2`		`9`
`3`		`26`
`4`		`70`
`5`		`177`
`6`		`427`
`7`		`996`
`8`		`2268`
`9`		`5075`
`10`		`11209`
`11`		`24510`
`12`		`53170`
`13`		`114597`
`14`		`245655`
`15`		`524168`
`16`		`1113976`
`17`		`2359143`
`18`		`4980565`
`19`		`10485570`
`20`		`22019886`
`21`		`46137113`
`22`		`96468739`
`23`		`201326316`
`24`		`419430100`
`25`		`872414907`
`26`		`1811938977`
`27`		`3758096006`
`28`		`7784627818`

[1,3,9,26,70,177,427,996,2268,5075,11209,24510, 53170,114597,245655,524168,1113976,2359143, 4980565,10485570,22019886,46137113,96468739, 201326316,419430100,872414907,1811938977, 3758096006,7784627818]

Last modified December 17 19:39 EST 2009. Contains 170821 sequences.

AT&T Labs Research