A055790 as tables, graphs or sounds

A055790 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`2`
`2`		`4`
`3`		`14`
`4`		`64`
`5`		`362`
`6`		`2428`
`7`		`18806`
`8`		`165016`
`9`		`1616786`
`10`		`17487988`
`11`		`206918942`
`12`		`2657907184`
`13`		`36828901754`
`14`		`547499510764`
`15`		`8691268384262`
`16`		`146725287298888`
`17`		`2624698909845026`
`18`		`49592184973992676`
`19`		`986871395973226286`
`20`		`20630087248996393888`
`21`		`451982388752415571082`

[0,2,4,14,64,362,2428,18806,165016,1616786, 17487988,206918942,2657907184,36828901754, 547499510764,8691268384262,146725287298888, 2624698909845026,49592184973992676, 986871395973226286,20630087248996393888, 451982388752415571082]

Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

AT&T Labs Research