A027860 as tables, graphs or sounds

A027860 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`3`
`3`		`256`
`4`		`6075`
`5`		`70656`
`6`		`525300`
`7`		`2861568`
`8`		`12437115`
`9`		`45414400`
`10`		`144788634`
`11`		`412896000`
`12`		`1075797268`
`13`		`2593575936`
`14`		`5863302600`
`15`		`12517805568`
`16`		`25471460475`
`17`		`49597544448`
`18`		`93053764671`
`19`		`168582124800`
`20`		`296526859818`

[0,0,3,256,6075,70656,525300,2861568,12437115, 45414400,144788634,412896000,1075797268, 2593575936,5863302600,12517805568,25471460475, 49597544448,93053764671,168582124800, 296526859818]

Last modified December 7 23:50 EST 2009. Contains 170430 sequences.

AT&T Labs Research