A020874 - OEIS

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A020874 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`3`
`2`		`30`
`3`		`135`
`4`		`452`
`5`		`1295`
`6`		`3378`
`7`		`8295`
`8`		`19560`
`9`		`44847`
`10`		`100790`
`11`		`223223`
`12`		`488940`
`13`		`1061775`
`14`		`2289882`
`15`		`4910535`
`16`		`10480208`
`17`		`22275695`
`18`		`47178270`
`19`		`99605847`
`20`		`209704980`
`21`		`440390223`
`22`		`922733570`
`23`		`1929364775`
`24`		`4026514872`

[0,3,30,135,452,1295,3378,8295,19560,44847,100790, 223223,488940,1061775,2289882,4910535,10480208, 22275695,47178270,99605847,209704980,440390223, 922733570,1929364775,4026514872]

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Last modified April 24 08:59 EDT 2024. Contains 371935 sequences. (Running on oeis4.)