A263747 - OEIS

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A263747 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`6`
`4`		`24`
`5`		`78`
`6`		`230`
`7`		`506`
`8`		`1128`
`9`		`2641`
`10`		`6655`
`11`		`17261`
`12`		`46066`
`13`		`119052`
`14`		`300864`
`15`		`750728`
`16`		`1876024`
`17`		`4711588`
`18`		`11951068`
`19`		`30392680`
`20`		`77225565`
`21`		`195701321`
`22`		`494881594`
`23`		`1249924470`
`24`		`3159185418`
`25`		`7992133318`
`26`		`20232067074`
`27`		`51226594151`
`28`		`129680774266`

[1,2,6,24,78,230,506,1128,2641,6655,17261,46066, 119052,300864,750728,1876024,4711588,11951068, 30392680,77225565,195701321,494881594,1249924470, 3159185418,7992133318,20232067074,51226594151, 129680774266]

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Last modified April 19 15:03 EDT 2024. Contains 371794 sequences. (Running on oeis4.)