A049680 as tables, graphs or sounds

A049680 formatted as a simple table:

`n`		`a(n)`
`0`		`2`
`1`		`2`
`2`		`5`
`3`		`11`
`4`		`27`
`5`		`67`
`6`		`170`
`7`		`436`
`8`		`1127`
`9`		`2927`
`10`		`7625`
`11`		`19901`
`12`		`52002`
`13`		`135982`
`14`		`355745`
`15`		`930931`
`16`		`2436527`
`17`		`6377807`
`18`		`16695530`
`19`		`43706576`
`20`		`114420627`
`21`		`299549527`
`22`		`784218605`
`23`		`2053091161`
`24`		`5375030402`
`25`		`14071960442`
`26`		`36840786845`
`27`		`96450296411`

[2,2,5,11,27,67,170,436,1127,2927,7625,19901, 52002,135982,355745,930931,2436527,6377807, 16695530,43706576,114420627,299549527,784218605, 2053091161,5375030402,14071960442,36840786845, 96450296411]

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

AT&T Labs Research