A027407 - OEIS

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A027407 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`20`
`2`		`590`
`3`		`21680`
`4`		`935770`
`5`		`45961096`
`6`		`2515881220`
`7`		`151228367840`
`8`		`9871829559980`
`9`		`693789631115120`
`10`		`52132594993215496`
`11`		`4164523150393491520`
`12`		`351983138874505854040`
`13`		`31348448683850114451680`

[1,20,590,21680,935770,45961096,2515881220, 151228367840,9871829559980,693789631115120, 52132594993215496,4164523150393491520, 351983138874505854040,31348448683850114451680]

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Last modified April 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)