A000266 as tables, graphs or sounds

A000266 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`3`
`4`		`15`
`5`		`75`
`6`		`435`
`7`		`3045`
`8`		`24465`
`9`		`220185`
`10`		`2200905`
`11`		`24209955`
`12`		`290529855`
`13`		`3776888115`
`14`		`52876298475`
`15`		`793144477125`
`16`		`12690313661025`
`17`		`215735332237425`
`18`		`3883235945814225`
`19`		`73781482970470275`
`20`		`1475629660064134575`

[1,1,1,3,15,75,435,3045,24465,220185,2200905, 24209955,290529855,3776888115,52876298475, 793144477125,12690313661025,215735332237425, 3883235945814225,73781482970470275, 1475629660064134575]

Last modified December 5 20:25 EST 2009. Contains 170428 sequences.

AT&T Labs Research