A006771 as tables, graphs or sounds

A006771 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`4`
`3`		`8`
`4`		`18`
`5`		`46`
`6`		`128`
`7`		`372`
`8`		`1174`
`9`		`3820`
`10`		`13170`
`11`		`46714`
`12`		`172490`
`13`		`652758`
`14`		`2547196`
`15`		`10156810`
`16`		`41495158`
`17`		`172810254`
`18`		`734132414`
`19`		`3171713642`
`20`		`13933910250`
`21`		`62121022408`
`22`		`280907384318`
`23`		`1286617710114`
`24`		`5964793344934`

[1,2,4,8,18,46,128,372,1174,3820,13170,46714, 172490,652758,2547196,10156810,41495158,172810254, 734132414,3171713642,13933910250,62121022408, 280907384318,1286617710114,5964793344934]

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research