A020661 - OEIS

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A020661 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`1`
`3`		`2`
`4`		`3`
`5`		`4`
`6`		`5`
`7`		`6`
`8`		`7`
`9`		`9`
`10`		`10`
`11`		`11`
`12`		`12`
`13`		`13`
`14`		`14`
`15`		`15`
`16`		`16`
`17`		`18`
`18`		`19`
`19`		`20`
`20`		`21`
`21`		`22`
`22`		`23`
`23`		`26`
`24`		`27`
`25`		`28`
`26`		`29`
`27`		`30`
`28`		`31`
`29`		`32`
`30`		`33`
`31`		`36`
`32`		`37`
`33`		`38`
`34`		`39`
`35`		`40`
`36`		`42`
`37`		`43`
`38`		`44`
`39`		`45`
`40`		`46`
`41`		`47`
`42`		`48`
`43`		`49`
`44`		`52`
`45`		`54`
`46`		`55`
`47`		`56`
`48`		`57`
`49`		`58`
`50`		`59`
`51`		`63`
`52`		`64`
`53`		`65`
`54`		`66`
`55`		`67`
`56`		`68`
`57`		`69`
`58`		`70`
`59`		`77`
`60`		`78`
`61`		`79`
`62`		`80`
`63`		`81`
`64`		`82`
`65`		`83`
`66`		`84`
`67`		`86`
`68`		`87`
`69`		`90`
`70`		`91`
`71`		`93`
`72`		`94`
`73`		`95`
`74`		`96`
`75`		`97`

[0,1,2,3,4,5,6,7,9,10,11,12,13,14,15,16,18,19,20, 21,22,23,26,27,28,29,30,31,32,33,36,37,38,39,40, 42,43,44,45,46,47,48,49,52,54,55,56,57,58,59,63, 64,65,66,67,68,69,70,77,78,79,80,81,82,83,84,86, 87,90,91,93,94,95,96,97]

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Last modified May 4 06:34 EDT 2024. Contains 372230 sequences. (Running on oeis4.)