A053561 - OEIS

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A053561 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`1`
`3`		`2`
`4`		`3`
`5`		`6`
`6`		`15`
`7`		`36`
`8`		`87`
`9`		`234`
`10`		`645`
`11`		`1782`
`12`		`4893`
`13`		`13608`
`14`		`37994`
`15`		`106434`
`16`		`299025`
`17`		`844182`
`18`		`2391723`
`19`		`6797196`
`20`		`19369708`
`21`		`55342972`
`22`		`158486625`
`23`		`454795398`
`24`		`1307534319`
`25`		`3765720066`
`26`		`10862688116`
`27`		`31381118658`
`28`		`90780960426`
`29`		`262951692390`

[0,1,2,3,6,15,36,87,234,645,1782,4893,13608,37994, 106434,299025,844182,2391723,6797196,19369708, 55342972,158486625,454795398,1307534319, 3765720066,10862688116,31381118658,90780960426, 262951692390]

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Last modified April 17 22:23 EDT 2024. Contains 371767 sequences. (Running on oeis4.)