A020890 - OEIS

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A020890 as a simple table

`n`		`a(n)`
`1`		`3`
`2`		`10`
`3`		`12`
`4`		`15`
`5`		`21`
`6`		`30`
`7`		`35`
`8`		`36`
`9`		`40`
`10`		`44`
`11`		`52`
`12`		`55`
`13`		`56`
`14`		`63`
`15`		`65`
`16`		`70`
`17`		`77`
`18`		`78`
`19`		`85`
`20`		`90`
`21`		`99`
`22`		`102`
`23`		`105`
`24`		`114`
`25`		`117`
`26`		`119`
`27`		`126`
`28`		`132`
`29`		`133`
`30`		`136`
`31`		`143`
`32`		`152`
`33`		`154`
`34`		`161`
`35`		`165`
`36`		`168`
`37`		`171`
`38`		`176`
`39`		`182`
`40`		`184`
`41`		`187`
`42`		`195`
`43`		`198`
`44`		`200`
`45`		`207`
`46`		`208`
`47`		`210`
`48`		`216`
`49`		`221`
`50`		`225`
`51`		`230`
`52`		`234`
`53`		`240`
`54`		`247`
`55`		`253`
`56`		`255`
`57`		`260`
`58`		`261`
`59`		`270`

[3,10,12,15,21,30,35,36,40,44,52,55,56,63,65,70, 77,78,85,90,99,102,105,114,117,119,126,132,133, 136,143,152,154,161,165,168,171,176,182,184,187, 195,198,200,207,208,210,216,221,225,230,234,240, 247,253,255,260,261,270]

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Last modified April 17 23:23 EDT 2024. Contains 371767 sequences. (Running on oeis4.)