A002690 - OEIS

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A002690 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`36`
`3`		`480`
`4`		`8400`
`5`		`181440`
`6`		`4656960`
`7`		`138378240`
`8`		`4670265600`
`9`		`176432256000`
`10`		`7374868300800`
`11`		`337903056691200`
`12`		`16838835658444800`
`13`		`906706535454720000`
`14`		`52459449551308800000`
`15`		`3245491278907637760000`
`16`		`213796737998040637440000`

[1,4,36,480,8400,181440,4656960,138378240, 4670265600,176432256000,7374868300800, 337903056691200,16838835658444800, 906706535454720000,52459449551308800000, 3245491278907637760000,213796737998040637440000]

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)