A117451 as tables, graphs or sounds

A117451 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`1`
`3`		`1`
`4`		`1`
`5`		`3`
`6`		`2`
`7`		`3`
`8`		`3`
`9`		`3`
`10`		`5`
`11`		`4`
`12`		`5`
`13`		`5`
`14`		`5`
`15`		`7`
`16`		`6`
`17`		`7`
`18`		`7`
`19`		`7`
`20`		`9`
`21`		`8`
`22`		`9`
`23`		`9`
`24`		`9`
`25`		`11`
`26`		`10`
`27`		`11`
`28`		`11`
`29`		`11`
`30`		`13`
`31`		`12`
`32`		`13`
`33`		`13`
`34`		`13`
`35`		`15`
`36`		`14`
`37`		`15`
`38`		`15`
`39`		`15`
`40`		`17`
`41`		`16`
`42`		`17`
`43`		`17`
`44`		`17`
`45`		`19`
`46`		`18`
`47`		`19`
`48`		`19`
`49`		`19`
`50`		`21`
`51`		`20`
`52`		`21`
`53`		`21`
`54`		`21`
`55`		`23`
`56`		`22`
`57`		`23`
`58`		`23`
`59`		`23`
`60`		`25`
`61`		`24`
`62`		`25`
`63`		`25`
`64`		`25`
`65`		`27`
`66`		`26`
`67`		`27`
`68`		`27`
`69`		`27`
`70`		`29`
`71`		`28`
`72`		`29`
`73`		`29`
`74`		`29`
`75`		`31`
`76`		`30`
`77`		`31`

[1,0,1,1,1,3,2,3,3,3,5,4,5,5,5,7,6,7,7,7,9,8,9,9, 9,11,10,11,11,11,13,12,13,13,13,15,14,15,15,15,17, 16,17,17,17,19,18,19,19,19,21,20,21,21,21,23,22, 23,23,23,25,24,25,25,25,27,26,27,27,27,29,28,29, 29,29,31,30,31]

Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

AT&T Labs Research