A261431 - OEIS

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A261431 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`1`
`3`		`2`
`4`		`9`
`5`		`24`
`6`		`175`
`7`		`720`
`8`		`7665`
`9`		`42560`
`10`		`436401`
`11`		`3628800`
`12`		`70215145`
`13`		`479001600`
`14`		`7116730335`
`15`		`88966701824`
`16`		`1653438211425`
`17`		`20922789888000`
`18`		`457688776369825`
`19`		`6402373705728000`
`20`		`145083396337080201`
`21`		`2457732174030848000`
`22`		`55735573291977790575`
`23`		`1124000727777607680000`

[1,0,1,2,9,24,175,720,7665,42560,436401,3628800, 70215145,479001600,7116730335,88966701824, 1653438211425,20922789888000,457688776369825, 6402373705728000,145083396337080201, 2457732174030848000,55735573291977790575, 1124000727777607680000]

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Last modified April 25 16:39 EDT 2024. Contains 371989 sequences. (Running on oeis4.)