A131387 as tables, graphs or sounds

A131387 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`2`
`5`		`4`
`6`		`12`
`7`		`48`
`8`		`48`
`9`		`192`
`10`		`2880`
`11`		`2880`
`12`		`25920`
`13`		`552960`
`14`		`3265920`
`15`		`1935360`
`16`		`116121600`
`17`		`278691840`
`18`		`9405849600`
`19`		`26754416640`
`20`		`94058496000`
`21`		`3210529996800`
`22`		`869100503040000`
`23`		`423789959577600`
`24`		`927040536576000`
`25`		`135612787064832000`

[1,1,1,1,2,4,12,48,48,192,2880,2880,25920,552960, 3265920,1935360,116121600,278691840,9405849600, 26754416640,94058496000,3210529996800, 869100503040000,423789959577600,927040536576000, 135612787064832000]

Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

AT&T Labs Research