A001451 - OEIS

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A001451 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`20`
`2`		`1260`
`3`		`100100`
`4`		`8817900`
`5`		`823727520`
`6`		`79919739900`
`7`		`7962100660800`
`8`		`808906548235500`
`9`		`83426304143982800`
`10`		`8707404737345073760`
`11`		`917663774856743842200`
`12`		`97491279924241456098300`
`13`		`10427604345391237790688000`
`14`		`1121786259855036145008408000`

[1,20,1260,100100,8817900,823727520,79919739900, 7962100660800,808906548235500,83426304143982800, 8707404737345073760,917663774856743842200, 97491279924241456098300, 10427604345391237790688000, 1121786259855036145008408000]

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Last modified April 25 05:56 EDT 2024. Contains 371964 sequences. (Running on oeis4.)