A143357 as tables, graphs or sounds

A143357 formatted as a simple table:

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`0`
`5`		`0`
`6`		`2`
`7`		`12`
`8`		`70`
`9`		`448`
`10`		`3298`
`11`		`27490`
`12`		`255876`
`13`		`2631876`
`14`		`29652480`
`15`		`363242880`
`16`		`4807626352`
`17`		`68375130352`
`18`		`1040021719578`
`19`		`16848351857178`
`20`		`289631191449600`
`21`		`5266021662720000`
`22`		`100970241446066086`
`23`		`2036233202495666086`

[0,0,0,0,0,2,12,70,448,3298,27490,255876,2631876, 29652480,363242880,4807626352,68375130352, 1040021719578,16848351857178,289631191449600, 5266021662720000,100970241446066086, 2036233202495666086]

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

AT&T Labs Research