A220772 - OEIS

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A220772 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`21`
`3`		`54`
`4`		`343`
`5`		`1225`
`6`		`7104`
`7`		`31777`
`8`		`169952`
`9`		`819260`
`10`		`4234749`
`11`		`21008157`
`12`		`107087889`
`13`		`536982808`
`14`		`2721665059`
`15`		`13704483996`
`16`		`69301052416`
`17`		`349520578291`
`18`		`1765820428959`
`19`		`8911657997748`
`20`		`45005845549969`
`21`		`227191526564923`
`22`		`1147192132487813`
`23`		`5791672997769659`

[1,4,21,54,343,1225,7104,31777,169952,819260, 4234749,21008157,107087889,536982808,2721665059, 13704483996,69301052416,349520578291, 1765820428959,8911657997748,45005845549969, 227191526564923,1147192132487813,5791672997769659]

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)