A020909 - OEIS

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A020909 as a simple table

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

[1,1,2,2,3,4,4,5,6,6,7,8,8,9,10,10,11,12,13,13,14, 15,15,16,17,17,18,19,19,20,21,22,22,23,24,24,25, 26,26,27,28,28,29,30,31,31,32,33,33,34,35,35,36, 37,38,38,39,40,40,41,42,42,43,44,44,45,46,47,47, 48,49,49,50,51]

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Last modified April 23 15:11 EDT 2024. Contains 371914 sequences. (Running on oeis4.)