A002021 - OEIS

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A002021 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`3`
`3`		`25`
`4`		`765`
`5`		`3121`
`6`		`233275`
`7`		`823537`
`8`		`117440505`
`9`		`387420481`
`10`		`89999999991`
`11`		`285311670601`
`12`		`98077104930805`
`13`		`302875106592241`
`14`		`144456088732254195`
`15`		`437893890380859361`
`16`		`276701161105643274225`
`17`		`827240261886336764161`
`18`		`668888937280041138782191`
`19`		`1978419655660313589123961`

[1,3,25,765,3121,233275,823537,117440505, 387420481,89999999991,285311670601,98077104930805, 302875106592241,144456088732254195, 437893890380859361,276701161105643274225, 827240261886336764161,668888937280041138782191, 1978419655660313589123961]

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Last modified April 25 11:24 EDT 2024. Contains 371967 sequences. (Running on oeis4.)