A025770 - OEIS

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A025770 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`2`
`5`		`2`
`6`		`3`
`7`		`3`
`8`		`3`
`9`		`4`
`10`		`5`
`11`		`5`
`12`		`6`
`13`		`7`
`14`		`7`
`15`		`8`
`16`		`9`
`17`		`9`
`18`		`10`
`19`		`11`
`20`		`12`
`21`		`13`
`22`		`14`
`23`		`15`
`24`		`16`
`25`		`17`
`26`		`18`
`27`		`19`
`28`		`20`
`29`		`21`
`30`		`23`
`31`		`24`
`32`		`25`
`33`		`27`
`34`		`28`
`35`		`29`
`36`		`31`
`37`		`32`
`38`		`33`
`39`		`35`
`40`		`37`
`41`		`38`
`42`		`40`
`43`		`42`
`44`		`43`
`45`		`45`
`46`		`47`
`47`		`48`
`48`		`50`
`49`		`52`
`50`		`54`
`51`		`56`
`52`		`58`
`53`		`60`
`54`		`62`
`55`		`64`
`56`		`66`
`57`		`68`
`58`		`70`
`59`		`72`
`60`		`75`
`61`		`77`
`62`		`79`
`63`		`82`
`64`		`84`
`65`		`86`
`66`		`89`
`67`		`91`
`68`		`93`
`69`		`96`
`70`		`99`
`71`		`101`
`72`		`104`
`73`		`107`
`74`		`109`
`75`		`112`
`76`		`115`
`77`		`117`
`78`		`120`
`79`		`123`
`80`		`126`
`81`		`129`

[1,1,1,2,2,2,3,3,3,4,5,5,6,7,7,8,9,9,10,11,12,13, 14,15,16,17,18,19,20,21,23,24,25,27,28,29,31,32, 33,35,37,38,40,42,43,45,47,48,50,52,54,56,58,60, 62,64,66,68,70,72,75,77,79,82,84,86,89,91,93,96, 99,101,104,107,109,112,115,117,120,123,126,129]

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Last modified August 18 04:19 EDT 2024. Contains 375255 sequences. (Running on oeis4.)