A169637 - OEIS

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A169637 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`4`
`4`		`20`
`5`		`60`
`6`		`420`
`7`		`3360`
`8`		`15120`
`9`		`151200`
`10`		`831600`
`11`		`3326400`
`12`		`43243200`
`13`		`302702400`
`14`		`1513512000`
`15`		`24216192000`
`16`		`411675264000`
`17`		`3705077376000`
`18`		`70396470144000`
`19`		`703964701440000`
`20`		`14783258730240000`
`21`		`162615846032640000`
`22`		`1246721486250240000`
`23`		`7480328917501440000`

[1,1,1,4,20,60,420,3360,15120,151200,831600, 3326400,43243200,302702400,1513512000,24216192000, 411675264000,3705077376000,70396470144000, 703964701440000,14783258730240000, 162615846032640000,1246721486250240000, 7480328917501440000]

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Last modified April 18 10:01 EDT 2024. Contains 371779 sequences. (Running on oeis4.)