A213643 - OEIS

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A213643 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`18`
`4`		`252`
`5`		`4940`
`6`		`124350`
`7`		`3823722`
`8`		`138915560`
`9`		`5822192952`
`10`		`276522143130`
`11`		`14677209803630`
`12`		`860990013672492`
`13`		`55315008281020644`
`14`		`3862656545279925302`
`15`		`291301089508829138130`
`16`		`23595204076694940812880`
`17`		`2042970533426395737658352`
`18`		`188298566037963463789282482`

[1,2,18,252,4940,124350,3823722,138915560, 5822192952,276522143130,14677209803630, 860990013672492,55315008281020644, 3862656545279925302,291301089508829138130, 23595204076694940812880,2042970533426395737658352, 188298566037963463789282482]

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Last modified August 2 10:15 EDT 2024. Contains 374836 sequences. (Running on oeis4.)