A047949 as tables, graphs or sounds

A047949 formatted as a simple table:

`n`		`a(n)`
`2`		`0`
`3`		`0`
`4`		`1`
`5`		`2`
`6`		`1`
`7`		`4`
`8`		`5`
`9`		`4`
`10`		`7`
`11`		`8`
`12`		`7`
`13`		`10`
`14`		`9`
`15`		`8`
`16`		`13`
`17`		`14`
`18`		`13`
`19`		`12`
`20`		`17`
`21`		`16`
`22`		`19`
`23`		`20`
`24`		`19`
`25`		`22`
`26`		`21`
`27`		`20`
`28`		`25`
`29`		`24`
`30`		`23`
`31`		`28`
`32`		`29`
`33`		`28`
`34`		`27`
`35`		`32`
`36`		`31`
`37`		`34`
`38`		`35`
`39`		`34`
`40`		`33`
`41`		`38`
`42`		`37`
`43`		`40`
`44`		`39`
`45`		`38`
`46`		`43`
`47`		`42`
`48`		`41`
`49`		`30`
`50`		`47`
`51`		`46`
`52`		`49`
`53`		`50`
`54`		`49`
`55`		`52`
`56`		`53`
`57`		`52`
`58`		`55`
`59`		`54`
`60`		`53`
`61`		`48`
`62`		`51`
`63`		`50`
`64`		`45`
`65`		`62`
`66`		`61`
`67`		`64`
`68`		`63`
`69`		`62`
`70`		`67`
`71`		`68`
`72`		`67`
`73`		`66`

[0,0,1,2,1,4,5,4,7,8,7,10,9,8,13,14,13,12,17,16, 19,20,19,22,21,20,25,24,23,28,29,28,27,32,31,34, 35,34,33,38,37,40,39,38,43,42,41,30,47,46,49,50, 49,52,53,52,55,54,53,48,51,50,45,62,61,64,63,62, 67,68,67,66]

Last modified December 5 08:23 EST 2009. Contains 170348 sequences.

AT&T Labs Research