A000440 - OEIS

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A000440 as a simple table

`n`		`a(n)`
`4`		`9`
`5`		`30`
`6`		`180`
`7`		`980`
`8`		`8326`
`9`		`70272`
`10`		`695690`
`11`		`7518720`
`12`		`89193276`
`13`		`1148241458`
`14`		`15947668065`
`15`		`237613988040`
`16`		`3780133322620`
`17`		`63945806121448`
`18`		`1146081593303784`
`19`		`21693271558730304`
`20`		`432411684714253605`
`21`		`9053476937543082240`
`22`		`198641103956454088919`

[9,30,180,980,8326,70272,695690,7518720,89193276, 1148241458,15947668065,237613988040,3780133322620, 63945806121448,1146081593303784,21693271558730304, 432411684714253605,9053476937543082240, 198641103956454088919]

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Last modified April 25 06:49 EDT 2024. Contains 371964 sequences. (Running on oeis4.)