A054878 - OEIS

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A054878 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`3`
`3`		`6`
`4`		`21`
`5`		`60`
`6`		`183`
`7`		`546`
`8`		`1641`
`9`		`4920`
`10`		`14763`
`11`		`44286`
`12`		`132861`
`13`		`398580`
`14`		`1195743`
`15`		`3587226`
`16`		`10761681`
`17`		`32285040`
`18`		`96855123`
`19`		`290565366`
`20`		`871696101`
`21`		`2615088300`
`22`		`7845264903`
`23`		`23535794706`
`24`		`70607384121`
`25`		`211822152360`
`26`		`635466457083`

[1,0,3,6,21,60,183,546,1641,4920,14763,44286, 132861,398580,1195743,3587226,10761681,32285040, 96855123,290565366,871696101,2615088300, 7845264903,23535794706,70607384121,211822152360, 635466457083]

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Last modified April 19 16:52 EDT 2024. Contains 371794 sequences. (Running on oeis4.)