A199495 - OEIS

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A199495 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`0`
`3`		`2`
`4`		`4`
`5`		`36`
`6`		`144`
`7`		`1440`
`8`		`8640`
`9`		`100800`
`10`		`806400`
`11`		`10886400`
`12`		`108864000`
`13`		`1676505600`
`14`		`20118067200`
`15`		`348713164800`
`16`		`4881984307200`
`17`		`94152554496000`
`18`		`1506440871936000`
`19`		`32011868528640000`
`20`		`576213633515520000`
`21`		`13380961044971520000`
`22`		`267619220899430400000`

[0,1,0,2,4,36,144,1440,8640,100800,806400, 10886400,108864000,1676505600,20118067200, 348713164800,4881984307200,94152554496000, 1506440871936000,32011868528640000, 576213633515520000,13380961044971520000, 267619220899430400000]

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Last modified August 30 02:56 EDT 2024. Contains 375521 sequences. (Running on oeis4.)