A060853 as tables, graphs or sounds

A060853 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`20`
`2`		`210`
`3`		`1540`
`4`		`8855`
`5`		`42504`
`6`		`177100`
`7`		`657800`
`8`		`2220075`
`9`		`6906900`
`10`		`20030010`
`11`		`54627084`
`12`		`141116637`
`13`		`347336412`
`14`		`818558424`
`15`		`1854631380`
`16`		`4053948342`
`17`		`8574134256`
`18`		`17590903116`
`19`		`35084425512`
`20`		`68153183370`
`21`		`129156542039`

[1,20,210,1540,8855,42504,177100,657800,2220075, 6906900,20030010,54627084,141116637,347336412, 818558424,1854631380,4053948342,8574134256, 17590903116,35084425512,68153183370,129156542039]

Last modified December 1 19:22 EST 2009. Contains 167811 sequences.

AT&T Labs Research