A002869 - OEIS

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A002869 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`6`
`4`		`36`
`5`		`240`
`6`		`1800`
`7`		`16800`
`8`		`191520`
`9`		`2328480`
`10`		`30240000`
`11`		`479001600`
`12`		`8083152000`
`13`		`142702560000`
`14`		`2731586457600`
`15`		`59056027430400`
`16`		`1320663933388800`
`17`		`30575780537702400`
`18`		`783699448602470400`
`19`		`21234672840116736000`
`20`		`591499300737945600000`

[1,1,2,6,36,240,1800,16800,191520,2328480, 30240000,479001600,8083152000,142702560000, 2731586457600,59056027430400,1320663933388800, 30575780537702400,783699448602470400, 21234672840116736000,591499300737945600000]

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Last modified April 18 08:27 EDT 2024. Contains 371769 sequences. (Running on oeis4.)