A031989 - OEIS

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A031989 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`1`
`3`		`2`
`4`		`3`
`5`		`5`
`6`		`6`
`7`		`7`
`8`		`10`
`9`		`11`
`10`		`15`
`11`		`21`
`12`		`22`
`13`		`23`
`14`		`26`
`15`		`27`
`16`		`31`
`17`		`42`
`18`		`43`
`19`		`47`
`20`		`63`
`21`		`85`
`22`		`86`
`23`		`87`
`24`		`90`
`25`		`91`
`26`		`95`
`27`		`106`
`28`		`107`
`29`		`111`
`30`		`127`
`31`		`170`
`32`		`171`
`33`		`175`
`34`		`191`
`35`		`255`
`36`		`341`
`37`		`342`
`38`		`343`
`39`		`346`
`40`		`347`
`41`		`351`
`42`		`362`
`43`		`363`
`44`		`367`
`45`		`383`
`46`		`426`
`47`		`427`
`48`		`431`
`49`		`447`
`50`		`511`
`51`		`682`
`52`		`683`
`53`		`687`
`54`		`703`

[0,1,2,3,5,6,7,10,11,15,21,22,23,26,27,31,42,43, 47,63,85,86,87,90,91,95,106,107,111,127,170,171, 175,191,255,341,342,343,346,347,351,362,363,367, 383,426,427,431,447,511,682,683,687,703]

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Last modified July 23 03:10 EDT 2024. Contains 374544 sequences. (Running on oeis4.)