A008731 - OEIS

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A008731 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`2`
`3`		`1`
`4`		`3`
`5`		`2`
`6`		`5`
`7`		`3`
`8`		`7`
`9`		`5`
`10`		`9`
`11`		`7`
`12`		`12`
`13`		`9`
`14`		`15`
`15`		`12`
`16`		`18`
`17`		`15`
`18`		`22`
`19`		`18`
`20`		`26`
`21`		`22`
`22`		`30`
`23`		`26`
`24`		`35`
`25`		`30`
`26`		`40`
`27`		`35`
`28`		`45`
`29`		`40`
`30`		`51`
`31`		`45`
`32`		`57`
`33`		`51`
`34`		`63`
`35`		`57`
`36`		`70`
`37`		`63`
`38`		`77`
`39`		`70`
`40`		`84`
`41`		`77`
`42`		`92`
`43`		`84`
`44`		`100`
`45`		`92`
`46`		`108`
`47`		`100`
`48`		`117`
`49`		`108`
`50`		`126`
`51`		`117`
`52`		`135`
`53`		`126`
`54`		`145`
`55`		`135`
`56`		`155`
`57`		`145`
`58`		`165`
`59`		`155`
`60`		`176`
`61`		`165`
`62`		`187`

[1,0,2,1,3,2,5,3,7,5,9,7,12,9,15,12,18,15,22,18, 26,22,30,26,35,30,40,35,45,40,51,45,57,51,63,57, 70,63,77,70,84,77,92,84,100,92,108,100,117,108, 126,117,135,126,145,135,155,145,165,155,176,165, 187]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)