A026820 - OEIS

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A026820 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`1`
`5`		`2`
`6`		`3`
`7`		`1`
`8`		`3`
`9`		`4`
`10`		`5`
`11`		`1`
`12`		`3`
`13`		`5`
`14`		`6`
`15`		`7`
`16`		`1`
`17`		`4`
`18`		`7`
`19`		`9`
`20`		`10`
`21`		`11`
`22`		`1`
`23`		`4`
`24`		`8`
`25`		`11`
`26`		`13`
`27`		`14`
`28`		`15`
`29`		`1`
`30`		`5`
`31`		`10`
`32`		`15`
`33`		`18`
`34`		`20`
`35`		`21`
`36`		`22`
`37`		`1`
`38`		`5`
`39`		`12`
`40`		`18`
`41`		`23`
`42`		`26`
`43`		`28`
`44`		`29`
`45`		`30`
`46`		`1`
`47`		`6`
`48`		`14`
`49`		`23`
`50`		`30`
`51`		`35`
`52`		`38`
`53`		`40`
`54`		`41`
`55`		`42`
`56`		`1`
`57`		`6`
`58`		`16`
`59`		`27`
`60`		`37`
`61`		`44`
`62`		`49`
`63`		`52`
`64`		`54`
`65`		`55`
`66`		`56`
`67`		`1`
`68`		`7`
`69`		`19`
`70`		`34`
`71`		`47`
`72`		`58`
`73`		`65`
`74`		`70`
`75`		`73`
`76`		`75`
`77`		`76`
`78`		`77`

[1,1,2,1,2,3,1,3,4,5,1,3,5,6,7,1,4,7,9,10,11,1,4, 8,11,13,14,15,1,5,10,15,18,20,21,22,1,5,12,18,23, 26,28,29,30,1,6,14,23,30,35,38,40,41,42,1,6,16,27, 37,44,49,52,54,55,56,1,7,19,34,47,58,65,70,73,75, 76,77]

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Last modified April 24 17:20 EDT 2024. Contains 371962 sequences. (Running on oeis4.)