A020640 - OEIS

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A020640 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`4`
`4`		`5`
`5`		`6`
`6`		`8`
`7`		`10`
`8`		`12`
`9`		`16`
`10`		`18`
`11`		`20`
`12`		`22`
`13`		`26`
`14`		`34`
`15`		`37`
`16`		`40`
`17`		`42`
`18`		`44`
`19`		`48`
`20`		`52`
`21`		`54`
`22`		`60`
`23`		`62`
`24`		`64`
`25`		`70`
`26`		`76`
`27`		`79`
`28`		`88`
`29`		`94`
`30`		`96`
`31`		`102`
`32`		`104`
`33`		`108`
`34`		`114`
`35`		`118`
`36`		`122`
`37`		`130`
`38`		`136`
`39`		`152`
`40`		`156`
`41`		`158`
`42`		`170`
`43`		`172`
`44`		`174`
`45`		`194`
`46`		`196`
`47`		`202`
`48`		`207`
`49`		`210`
`50`		`217`
`51`		`228`
`52`		`234`
`53`		`238`
`54`		`239`
`55`		`248`
`56`		`262`
`57`		`268`
`58`		`280`
`59`		`281`

[1,2,4,5,6,8,10,12,16,18,20,22,26,34,37,40,42,44, 48,52,54,60,62,64,70,76,79,88,94,96,102,104,108, 114,118,122,130,136,152,156,158,170,172,174,194, 196,202,207,210,217,228,234,238,239,248,262,268, 280,281]

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Last modified April 25 16:42 EDT 2024. Contains 371989 sequences. (Running on oeis4.)