A061278 as tables, graphs or sounds

A061278 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`5`
`3`		`20`
`4`		`76`
`5`		`285`
`6`		`1065`
`7`		`3976`
`8`		`14840`
`9`		`55385`
`10`		`206701`
`11`		`771420`
`12`		`2878980`
`13`		`10744501`
`14`		`40099025`
`15`		`149651600`
`16`		`558507376`
`17`		`2084377905`
`18`		`7779004245`
`19`		`29031639076`
`20`		`108347552060`
`21`		`404358569165`
`22`		`1509086724601`
`23`		`5631988329240`
`24`		`21018866592360`

[0,1,5,20,76,285,1065,3976,14840,55385,206701, 771420,2878980,10744501,40099025,149651600, 558507376,2084377905,7779004245,29031639076, 108347552060,404358569165,1509086724601, 5631988329240,21018866592360]

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

AT&T Labs Research