A274256 - OEIS

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A274256 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`5`
`2`		`70`
`3`		`1696`
`4`		`49493`
`5`		`1593861`
`6`		`54591225`
`7`		`1950653202`
`8`		`71889214644`
`9`		`2712628146949`
`10`		`104277713515456`
`11`		`4069334248174800`
`12`		`160785480249706192`
`13`		`6419443865094494044`
`14`		`258585021917711797850`
`15`		`10496205397574996367474`
`16`		`428899108081734423242550`
`17`		`17628723180468295514015268`
`18`		`728347675604866545590505024`

[1,5,70,1696,49493,1593861,54591225,1950653202, 71889214644,2712628146949,104277713515456, 4069334248174800,160785480249706192, 6419443865094494044,258585021917711797850, 10496205397574996367474,428899108081734423242550, 17628723180468295514015268, 728347675604866545590505024]

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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)