A198891 - OEIS

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A198891 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`7`
`4`		`32`
`5`		`180`
`6`		`1219`
`7`		`9646`
`8`		`87192`
`9`		`886536`
`10`		`10016159`
`11`		`124481258`
`12`		`1687686528`
`13`		`24787991800`
`14`		`392081193504`
`15`		`6644677619581`
`16`		`120115898158288`
`17`		`2307044712629472`
`18`		`46917527736860976`
`19`		`1007152702625923440`
`20`		`22757886107313170356`
`21`		`539955309450787483261`
`22`		`13421068671117864869156`

[1,1,2,7,32,180,1219,9646,87192,886536,10016159, 124481258,1687686528,24787991800,392081193504, 6644677619581,120115898158288,2307044712629472, 46917527736860976,1007152702625923440, 22757886107313170356,539955309450787483261, 13421068671117864869156]

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Last modified April 25 10:47 EDT 2024. Contains 371967 sequences. (Running on oeis4.)