A085480 - OEIS

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A085480 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`3`
`3`		`15`
`4`		`54`
`5`		`207`
`6`		`783`
`7`		`2970`
`8`		`11259`
`9`		`42687`
`10`		`161838`
`11`		`613575`
`12`		`2326239`
`13`		`8819442`
`14`		`33437043`
`15`		`126769455`
`16`		`480619494`
`17`		`1822166847`
`18`		`6908359023`
`19`		`26191577610`
`20`		`99299809899`
`21`		`376474162527`
`22`		`1427321917278`
`23`		`5411388239415`
`24`		`20516130470079`

[0,3,15,54,207,783,2970,11259,42687,161838,613575, 2326239,8819442,33437043,126769455,480619494, 1822166847,6908359023,26191577610,99299809899, 376474162527,1427321917278,5411388239415, 20516130470079]

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Last modified April 30 15:01 EDT 2024. Contains 372134 sequences. (Running on oeis4.)