A228509 - OEIS

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A228509 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`9`
`3`		`88`
`4`		`1425`
`5`		`32886`
`6`		`992446`
`7`		`37106784`
`8`		`1657248417`
`9`		`86128357150`
`10`		`5107663394691`
`11`		`340427678198400`
`12`		`25194445531808735`
`13`		`2050156960934135340`
`14`		`181938723871328671500`
`15`		`17487609556155439051136`
`16`		`1809886850192627028383553`
`17`		`200670984392566362698014110`
`18`		`23730570474434159458296269953`

[1,2,9,88,1425,32886,992446,37106784,1657248417, 86128357150,5107663394691,340427678198400, 25194445531808735,2050156960934135340, 181938723871328671500,17487609556155439051136, 1809886850192627028383553, 200670984392566362698014110, 23730570474434159458296269953]

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Last modified April 25 08:20 EDT 2024. Contains 371964 sequences. (Running on oeis4.)