A032270 - OEIS

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A032270 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`15`
`4`		`75`
`5`		`481`
`6`		`4155`
`7`		`47021`
`8`		`647759`
`9`		`10328977`
`10`		`185812755`
`11`		`3715936789`
`12`		`81749718039`
`13`		`1961990821913`
`14`		`51011755028507`
`15`		`1428329124503581`
`16`		`42849873694048287`
`17`		`1371195958107799585`
`18`		`46620662575416672291`
`19`		`1678343852714400808997`
`20`		`63777066403145801007143`

[1,1,4,15,75,481,4155,47021,647759,10328977, 185812755,3715936789,81749718039,1961990821913, 51011755028507,1428329124503581,42849873694048287, 1371195958107799585,46620662575416672291, 1678343852714400808997,63777066403145801007143]

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Last modified April 18 20:26 EDT 2024. Contains 371781 sequences. (Running on oeis4.)