A008409 - OEIS

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A008409 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`4320`
`3`		`61440`
`4`		`522720`
`5`		`2211840`
`6`		`8960640`
`7`		`23224320`
`8`		`67154400`
`9`		`135168000`
`10`		`319809600`
`11`		`550195200`
`12`		`1147643520`
`13`		`1771683840`
`14`		`3371915520`
`15`		`4826603520`
`16`		`8593797600`
`17`		`11585617920`
`18`		`19590534240`
`19`		`25239859200`
`20`		`40979580480`
`21`		`50877235200`

[1,0,4320,61440,522720,2211840,8960640,23224320, 67154400,135168000,319809600,550195200,1147643520, 1771683840,3371915520,4826603520,8593797600, 11585617920,19590534240,25239859200,40979580480, 50877235200]

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Last modified April 18 09:47 EDT 2024. Contains 371779 sequences. (Running on oeis4.)