A157597 as tables, graphs or sounds

A157597 formatted as a simple table:

`n`		`a(n)`
`2`		`1`
`3`		`9`
`4`		`630`
`5`		`48670`
`6`		`4293525`
`7`		`358348053`
`8`		`32224041500`
`9`		`2966406894648`
`10`		`259556693304825`
`11`		`20157653282906667`
`12`		`1439903350550159550`
`13`		`97064374251531230622`
`14`		`6271845201623139087495`
`15`		`391742584864070048279685`

[1,9,630,48670,4293525,358348053,32224041500, 2966406894648,259556693304825,20157653282906667, 1439903350550159550,97064374251531230622, 6271845201623139087495,391742584864070048279685]

Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

AT&T Labs Research