A162171 - OEIS

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A162171 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`3`
`3`		`6`
`4`		`20`
`5`		`75`
`6`		`336`
`7`		`1708`
`8`		`9792`
`9`		`62325`
`10`		`436480`
`11`		`3334386`
`12`		`27595776`
`13`		`245951615`
`14`		`2348666880`
`15`		`23923317720`
`16`		`258910994432`
`17`		`2966901358185`
`18`		`35886973648896`
`19`		`456927138333790`
`20`		`6108665873694720`
`21`		`85555744482868275`
`22`		`1252729007440396288`
`23`		`19140289332506060676`

[1,3,6,20,75,336,1708,9792,62325,436480,3334386, 27595776,245951615,2348666880,23923317720, 258910994432,2966901358185,35886973648896, 456927138333790,6108665873694720, 85555744482868275,1252729007440396288, 19140289332506060676]

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Last modified August 30 07:09 EDT 2024. Contains 375532 sequences. (Running on oeis4.)