A152421 - OEIS

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A152421 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`4`
`3`		`126`
`4`		`12870`
`5`		`3268760`
`6`		`3796297200`
`7`		`3348108992991`
`8`		`19619725782651120`
`9`		`95399637739311016800`
`10`		`1917353200780443050763600`
`11`		`7359958875023243471254188840`
`12`		`3720132147124647210937719983999040`

[1,4,126,12870,3268760,3796297200,3348108992991, 19619725782651120,95399637739311016800, 1917353200780443050763600, 7359958875023243471254188840, 3720132147124647210937719983999040]

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)