A018021 - OEIS

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A018021 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`6`
`3`		`16`
`4`		`40`
`5`		`101`
`6`		`256`
`7`		`645`
`8`		`1625`
`9`		`4096`
`10`		`10321`
`11`		`26007`
`12`		`65536`
`13`		`165140`
`14`		`416127`
`15`		`1048576`
`16`		`2642245`
`17`		`6658042`
`18`		`16777216`
`19`		`42275935`
`20`		`106528681`
`21`		`268435456`
`22`		`676414963`
`23`		`1704458900`
`24`		`4294967296`
`25`		`10822639409`
`26`		`27271342415`
`27`		`68719476736`
`28`		`173162230554`
`29`		`436341478645`

[1,2,6,16,40,101,256,645,1625,4096,10321,26007, 65536,165140,416127,1048576,2642245,6658042, 16777216,42275935,106528681,268435456,676414963, 1704458900,4294967296,10822639409,27271342415, 68719476736,173162230554,436341478645]

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Last modified April 19 02:04 EDT 2024. Contains 371782 sequences. (Running on oeis4.)