A052631 as tables, graphs or sounds

A052631 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`4`
`3`		`30`
`4`		`288`
`5`		`3480`
`6`		`50400`
`7`		`851760`
`8`		`16450560`
`9`		`357436800`
`10`		`8629286400`
`11`		`229162348800`
`12`		`6638962176000`
`13`		`208362342988800`
`14`		`7042436719718400`
`15`		`255029193619200000`
`16`		`9851119008546816000`
`17`		`404305986955014144000`
`18`		`17569457946995834880000`
`19`		`805912049524456562688000`

[0,1,4,30,288,3480,50400,851760,16450560, 357436800,8629286400,229162348800,6638962176000, 208362342988800,7042436719718400, 255029193619200000,9851119008546816000, 404305986955014144000,17569457946995834880000, 805912049524456562688000]

Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

AT&T Labs Research