A275521 - OEIS

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A275521 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`1`
`3`		`4`
`4`		`3`
`5`		`40`
`6`		`15`
`7`		`420`
`8`		`105`
`9`		`5040`
`10`		`945`
`11`		`69300`
`12`		`10395`
`13`		`1081080`
`14`		`135135`
`15`		`18918900`
`16`		`2027025`
`17`		`367567200`
`18`		`34459425`
`19`		`7856748900`
`20`		`654729075`
`21`		`183324141000`
`22`		`13749310575`
`23`		`4638100767300`
`24`		`316234143225`
`25`		`126493657290000`
`26`		`7905853580625`
`27`		`3699939475732500`
`28`		`213458046676875`

[1,0,1,4,3,40,15,420,105,5040,945,69300,10395, 1081080,135135,18918900,2027025,367567200, 34459425,7856748900,654729075,183324141000, 13749310575,4638100767300,316234143225, 126493657290000,7905853580625,3699939475732500, 213458046676875]

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Last modified July 31 04:10 EDT 2024. Contains 374774 sequences. (Running on oeis4.)