A288950 - OEIS

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A288950 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`1`
`3`		`2`
`4`		`15`
`5`		`140`
`6`		`1575`
`7`		`20790`
`8`		`315315`
`9`		`5405400`
`10`		`103378275`
`11`		`2182430250`
`12`		`50414138775`
`13`		`1264936572900`
`14`		`34258698849375`
`15`		`996137551158750`
`16`		`30951416768146875`
`17`		`1023460181133390000`
`18`		`35885072600989486875`
`19`		`1329858572860198631250`
`20`		`51938365373373313209375`

[1,0,1,2,15,140,1575,20790,315315,5405400, 103378275,2182430250,50414138775,1264936572900, 34258698849375,996137551158750,30951416768146875, 1023460181133390000,35885072600989486875, 1329858572860198631250,51938365373373313209375]

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Last modified July 13 15:41 EDT 2024. Contains 374284 sequences. (Running on oeis4.)