A006561 as tables, graphs or sounds

A006561 formatted as a simple table:

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`1`
`5`		`5`
`6`		`13`
`7`		`35`
`8`		`49`
`9`		`126`
`10`		`161`
`11`		`330`
`12`		`301`
`13`		`715`
`14`		`757`
`15`		`1365`
`16`		`1377`
`17`		`2380`
`18`		`1837`
`19`		`3876`
`20`		`3841`
`21`		`5985`
`22`		`5941`
`23`		`8855`
`24`		`7297`
`25`		`12650`
`26`		`12481`
`27`		`17550`
`28`		`17249`
`29`		`23751`
`30`		`16801`
`31`		`31465`
`32`		`30913`
`33`		`40920`
`34`		`40257`
`35`		`52360`
`36`		`46981`
`37`		`66045`
`38`		`64981`
`39`		`82251`
`40`		`80881`
`41`		`101270`

[0,0,0,1,5,13,35,49,126,161,330,301,715,757,1365, 1377,2380,1837,3876,3841,5985,5941,8855,7297, 12650,12481,17550,17249,23751,16801,31465,30913, 40920,40257,52360,46981,66045,64981,82251,80881, 101270]

Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

AT&T Labs Research