A169638 - OEIS

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A169638 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`4`
`4`		`20`
`5`		`60`
`6`		`420`
`7`		`3360`
`8`		`30240`
`9`		`151200`
`10`		`1663200`
`11`		`9979200`
`12`		`129729600`
`13`		`1816214400`
`14`		`27243216000`
`15`		`217945728000`
`16`		`3705077376000`
`17`		`66691392768000`
`18`		`633568231296000`
`19`		`12671364625920000`
`20`		`266098657144320000`
`21`		`5854170457175040000`
`22`		`134645920515025920000`
`23`		`1615751046180311040000`

[1,1,1,4,20,60,420,3360,30240,151200,1663200, 9979200,129729600,1816214400,27243216000, 217945728000,3705077376000,66691392768000, 633568231296000,12671364625920000, 266098657144320000,5854170457175040000, 134645920515025920000,1615751046180311040000]

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Last modified April 25 10:51 EDT 2024. Contains 371967 sequences. (Running on oeis4.)