A238721 - OEIS

(Translated by https://www.hiragana.jp/)
A238721 - OEIS

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A238721 as a simple table

`n`		`a(n)`
`1`		`4`
`2`		`10`
`3`		`40`
`4`		`86`
`5`		`336`
`6`		`704`
`7`		`2704`
`8`		`5660`
`9`		`21504`
`10`		`45176`
`11`		`170464`
`12`		`359400`
`13`		`1350272`
`14`		`2854496`
`15`		`10694912`
`16`		`22650672`
`17`		`84716224`
`18`		`179637056`
`19`		`671110848`
`20`		`1424180800`
`21`		`5316817088`
`22`		`11288673952`
`23`		`42124029504`
`24`		`89466980000`
`25`		`333750473152`
`26`		`708999096096`
`27`		`2644373950784`
`28`		`5618300601952`

[4,10,40,86,336,704,2704,5660,21504,45176,170464, 359400,1350272,2854496,10694912,22650672,84716224, 179637056,671110848,1424180800,5316817088, 11288673952,42124029504,89466980000,333750473152, 708999096096,2644373950784,5618300601952]

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Last modified August 26 23:42 EDT 2024. Contains 375462 sequences. (Running on oeis4.)