A015447 - OEIS

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A015447 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`12`
`3`		`23`
`4`		`155`
`5`		`408`
`6`		`2113`
`7`		`6601`
`8`		`29844`
`9`		`102455`
`10`		`430739`
`11`		`1557744`
`12`		`6295873`
`13`		`23431057`
`14`		`92685660`
`15`		`350427287`
`16`		`1369969547`
`17`		`5224669704`
`18`		`20294334721`
`19`		`77765701465`
`20`		`301003383396`
`21`		`1156426099511`
`22`		`4467463316867`
`23`		`17188150411488`

[1,1,12,23,155,408,2113,6601,29844,102455,430739, 1557744,6295873,23431057,92685660,350427287, 1369969547,5224669704,20294334721,77765701465, 301003383396,1156426099511,4467463316867, 17188150411488]

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Last modified May 27 13:23 EDT 2024. Contains 372861 sequences. (Running on oeis4.)