A053485 as tables, graphs or sounds

A053485 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`3`
`4`		`1`
`5`		`15`
`6`		`45`
`7`		`21`
`8`		`315`
`9`		`2835`
`10`		`4725`
`11`		`22275`
`12`		`93555`
`13`		`2027025`
`14`		`42567525`
`15`		`638512875`
`16`		`212837625`
`17`		`2170943775`
`18`		`13956067125`
`19`		`618718975875`
`20`		`9280784638125`
`21`		`14992036723125`
`22`		`7522320180375`
`23`		`49308808782358125`
`24`		`147926426347074375`

[1,1,1,3,1,15,45,21,315,2835,4725,22275,93555, 2027025,42567525,638512875,212837625,2170943775, 13956067125,618718975875,9280784638125, 14992036723125,7522320180375,49308808782358125, 147926426347074375]

Last modified December 19 12:50 EST 2009. Contains 171053 sequences.

AT&T Labs Research