A047920 as tables, graphs or sounds

A047920 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`0`
`3`		`2`
`4`		`1`
`5`		`1`
`6`		`6`
`7`		`4`
`8`		`3`
`9`		`2`
`10`		`24`
`11`		`18`
`12`		`14`
`13`		`11`
`14`		`9`
`15`		`120`
`16`		`96`
`17`		`78`
`18`		`64`
`19`		`53`
`20`		`44`
`21`		`720`
`22`		`600`
`23`		`504`
`24`		`426`
`25`		`362`
`26`		`309`
`27`		`265`
`28`		`5040`
`29`		`4320`
`30`		`3720`
`31`		`3216`
`32`		`2790`
`33`		`2428`
`34`		`2119`
`35`		`1854`
`36`		`40320`
`37`		`35280`
`38`		`30960`
`39`		`27240`
`40`		`24024`
`41`		`21234`
`42`		`18806`
`43`		`16687`
`44`		`14833`
`45`		`362880`
`46`		`322560`

[1,1,0,2,1,1,6,4,3,2,24,18,14,11,9,120,96,78,64, 53,44,720,600,504,426,362,309,265,5040,4320,3720, 3216,2790,2428,2119,1854,40320,35280,30960,27240, 24024,21234,18806,16687,14833,362880,322560]

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

AT&T Labs Research