A006580 as tables, graphs or sounds

A006580 formatted as a simple table:

`n`		`a(n)`
`2`		`1`
`3`		`4`
`4`		`8`
`5`		`20`
`6`		`21`
`7`		`56`
`8`		`60`
`9`		`96`
`10`		`105`
`11`		`220`
`12`		`152`
`13`		`364`
`14`		`301`
`15`		`360`
`16`		`464`
`17`		`816`
`18`		`549`
`19`		`1140`
`20`		`760`
`21`		`1036`
`22`		`1221`
`23`		`2024`
`24`		`1196`
`25`		`2200`
`26`		`2041`
`27`		`2484`
`28`		`2184`
`29`		`4060`
`30`		`2205`
`31`		`4960`
`32`		`3664`
`33`		`4224`
`34`		`4641`
`35`		`5180`
`36`		`4008`
`37`		`8436`
`38`		`6517`
`39`		`7072`
`40`		`5980`
`41`		`11480`
`42`		`6321`
`43`		`13244`
`44`		`8888`
`45`		`9540`
`46`		`11661`

[1,4,8,20,21,56,60,96,105,220,152,364,301,360,464, 816,549,1140,760,1036,1221,2024,1196,2200,2041, 2484,2184,4060,2205,4960,3664,4224,4641,5180,4008, 8436,6517,7072,5980,11480,6321,13244,8888,9540, 11661]

Last modified December 21 10:15 EST 2009. Contains 171081 sequences.

AT&T Labs Research