A007691 as tables, graphs or sounds

A007691 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`6`
`3`		`28`
`4`		`120`
`5`		`496`
`6`		`672`
`7`		`8128`
`8`		`30240`
`9`		`32760`
`10`		`523776`
`11`		`2178540`
`12`		`23569920`
`13`		`33550336`
`14`		`45532800`
`15`		`142990848`
`16`		`459818240`
`17`		`1379454720`
`18`		`1476304896`
`19`		`8589869056`
`20`		`14182439040`
`21`		`31998395520`
`22`		`43861478400`
`23`		`51001180160`
`24`		`66433720320`

[1,6,28,120,496,672,8128,30240,32760,523776, 2178540,23569920,33550336,45532800,142990848, 459818240,1379454720,1476304896,8589869056, 14182439040,31998395520,43861478400,51001180160, 66433720320]

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research