A022643 - OEIS

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A022643 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`15`
`2`		`135`
`3`		`950`
`4`		`5670`
`5`		`30003`
`6`		`144680`
`7`		`647055`
`8`		`2717760`
`9`		`10820640`
`10`		`41128374`
`11`		`150073470`
`12`		`528074655`
`13`		`1798537380`
`14`		`5947216050`
`15`		`19142919543`
`16`		`60113026305`
`17`		`184513760775`
`18`		`554517086825`
`19`		`1634047143090`
`20`		`4727605374594`
`21`		`13444544485435`
`22`		`37620762642885`
`23`		`103678546403985`
`24`		`281639925782930`

[1,15,135,950,5670,30003,144680,647055,2717760, 10820640,41128374,150073470,528074655,1798537380, 5947216050,19142919543,60113026305,184513760775, 554517086825,1634047143090,4727605374594, 13444544485435,37620762642885,103678546403985, 281639925782930]

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)