A126946 as tables, graphs or sounds

A126946 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`2`
`2`		`4`
`3`		`12`
`4`		`40`
`5`		`128`
`6`		`404`
`7`		`1282`
`8`		`4076`
`9`		`12946`
`10`		`41110`
`11`		`130570`
`12`		`414708`
`13`		`1317126`
`14`		`4183250`
`15`		`13286248`
`16`		`42197850`
`17`		`134022604`
`18`		`425663006`
`19`		`1351928684`
`20`		`4293798244`
`21`		`13637334278`
`22`		`43312907878`
`23`		`137564127106`
`24`		`436911072754`
`25`		`1387653086532`
`26`		`4407260902428`
`27`		`13997697874880`

[0,2,4,12,40,128,404,1282,4076,12946,41110,130570, 414708,1317126,4183250,13286248,42197850, 134022604,425663006,1351928684,4293798244, 13637334278,43312907878,137564127106,436911072754, 1387653086532,4407260902428,13997697874880]

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

AT&T Labs Research