A118623 - OEIS

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A118623 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`6`
`3`		`40`
`4`		`1608`
`5`		`2585680`
`6`		`6685741062420`
`7`		`44699133553728910336256592`
`8`		`1998012540454093724746522398047564450017935663454544`

[1,2,6,40,1608,2585680,6685741062420, 44699133553728910336256592, 19980125404540937247465223980475644500179356634545\ 44]

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)