A052850 as tables, graphs or sounds

A052850 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`2`
`2`		`5`
`3`		`20`
`4`		`114`
`5`		`864`
`6`		`8280`
`7`		`96480`
`8`		`1325520`
`9`		`20966400`
`10`		`374855040`
`11`		`7468070400`
`12`		`163938297600`
`13`		`3929729126400`
`14`		`102104460057600`
`15`		`2857878742118400`
`16`		`85719362496768000`
`17`		`2742726680838144000`
`18`		`93247371837075456000`

[0,2,5,20,114,864,8280,96480,1325520,20966400, 374855040,7468070400,163938297600,3929729126400, 102104460057600,2857878742118400, 85719362496768000,2742726680838144000, 93247371837075456000]

Last modified December 2 11:54 EST 2009. Contains 167921 sequences.

AT&T Labs Research