A158690 as tables, graphs or sounds

A158690 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`5`
`3`		`55`
`4`		`1073`
`5`		`32671`
`6`		`1431665`
`7`		`85363615`
`8`		`6646603073`
`9`		`654896692351`
`10`		`79656194515025`
`11`		`11722538113191775`
`12`		`2052949879753739873`
`13`		`421931472111868912831`
`14`		`100568330857984368195185`

[1,1,5,55,1073,32671,1431665,85363615,6646603073, 654896692351,79656194515025,11722538113191775, 2052949879753739873,421931472111868912831, 100568330857984368195185]

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

AT&T Labs Research