A027853 as tables, graphs or sounds

A027853 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`4`
`3`		`15`
`4`		`52`
`5`		`175`
`6`		`571`
`7`		`1838`
`8`		`5834`
`9`		`18363`
`10`		`57372`
`11`		`178271`
`12`		`551344`
`13`		`1698782`
`14`		`5217266`
`15`		`15979465`
`16`		`48825416`
`17`		`148877730`
`18`		`453124341`
`19`		`1376890744`
`20`		`4177819301`
`21`		`12659943750`
`22`		`38317731349`
`23`		`115851225052`
`24`		`349924919167`

[0,1,4,15,52,175,571,1838,5834,18363,57372,178271, 551344,1698782,5217266,15979465,48825416, 148877730,453124341,1376890744,4177819301, 12659943750,38317731349,115851225052, 349924919167]

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

AT&T Labs Research