A052687 as tables, graphs or sounds

A052687 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`6`
`3`		`18`
`4`		`96`
`5`		`480`
`6`		`3600`
`7`		`25200`
`8`		`241920`
`9`		`2177280`
`10`		`25401600`
`11`		`279417600`
`12`		`3832012800`
`13`		`49816166400`
`14`		`784604620800`
`15`		`11769069312000`
`16`		`209227898880000`
`17`		`3556874280960000`
`18`		`70426110763008000`
`19`		`1338096104497152000`

[1,2,6,18,96,480,3600,25200,241920,2177280, 25401600,279417600,3832012800,49816166400, 784604620800,11769069312000,209227898880000, 3556874280960000,70426110763008000, 1338096104497152000]

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

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