A004490 as tables, graphs or sounds

A004490 formatted as a simple table:

`n`		`a(n)`
`1`		`2`
`2`		`6`
`3`		`12`
`4`		`60`
`5`		`120`
`6`		`360`
`7`		`2520`
`8`		`5040`
`9`		`55440`
`10`		`720720`
`11`		`1441440`
`12`		`4324320`
`13`		`21621600`
`14`		`367567200`
`15`		`6983776800`
`16`		`160626866400`
`17`		`321253732800`
`18`		`9316358251200`
`19`		`288807105787200`
`20`		`2021649740510400`
`21`		`6064949221531200`
`22`		`224403121196654400`

[2,6,12,60,120,360,2520,5040,55440,720720,1441440, 4324320,21621600,367567200,6983776800, 160626866400,321253732800,9316358251200, 288807105787200,2021649740510400,6064949221531200, 224403121196654400]

Last modified December 4 23:11 EST 2009. Contains 170347 sequences.

AT&T Labs Research