A109437 as tables, graphs or sounds

A109437 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`3`
`3`		`12`
`4`		`44`
`5`		`165`
`6`		`615`
`7`		`2296`
`8`		`8568`
`9`		`31977`
`10`		`119339`
`11`		`445380`
`12`		`1662180`
`13`		`6203341`
`14`		`23151183`
`15`		`86401392`
`16`		`322454384`
`17`		`1203416145`
`18`		`4491210195`
`19`		`16761424636`
`20`		`62554488348`
`21`		`233456528757`
`22`		`871271626679`
`23`		`3251629977960`
`24`		`12135248285160`

[0,1,3,12,44,165,615,2296,8568,31977,119339, 445380,1662180,6203341,23151183,86401392, 322454384,1203416145,4491210195,16761424636, 62554488348,233456528757,871271626679, 3251629977960,12135248285160]

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

AT&T Labs Research