A001803 as tables, graphs or sounds

A001803 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`3`
`2`		`15`
`3`		`35`
`4`		`315`
`5`		`693`
`6`		`3003`
`7`		`6435`
`8`		`109395`
`9`		`230945`
`10`		`969969`
`11`		`2028117`
`12`		`16900975`
`13`		`35102025`
`14`		`145422675`
`15`		`300540195`
`16`		`9917826435`
`17`		`20419054425`
`18`		`83945001525`
`19`		`172308161025`
`20`		`1412926920405`
`21`		`2893136075115`
`22`		`11835556670925`

[1,3,15,35,315,693,3003,6435,109395,230945,969969, 2028117,16900975,35102025,145422675,300540195, 9917826435,20419054425,83945001525,172308161025, 1412926920405,2893136075115,11835556670925]

Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

AT&T Labs Research