A020641 - OEIS

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A020641 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`3`
`3`		`7`
`4`		`13`
`5`		`45`
`6`		`60`
`7`		`977`
`8`		`1108`
`9`		`2470`
`10`		`2687`
`11`		`2784`
`12`		`3126`
`13`		`3470`
`14`		`3977`
`15`		`4100`
`16`		`4511`
`17`		`4644`
`18`		`5668`
`19`		`6148`
`20`		`6627`
`21`		`6963`
`22`		`8407`
`23`		`9767`
`24`		`10379`
`25`		`11007`
`26`		`11220`
`27`		`11449`
`28`		`12111`
`29`		`12332`
`30`		`23080`
`31`		`25001`
`32`		`28009`
`33`		`28357`
`34`		`28709`
`35`		`29060`
`36`		`29404`
`37`		`30824`
`38`		`32271`
`39`		`33397`
`40`		`33764`
`41`		`47735`
`42`		`52278`

[1,3,7,13,45,60,977,1108,2470,2687,2784,3126,3470, 3977,4100,4511,4644,5668,6148,6627,6963,8407,9767, 10379,11007,11220,11449,12111,12332,23080,25001, 28009,28357,28709,29060,29404,30824,32271,33397, 33764,47735,52278]

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)