A133221 - OEIS

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A133221 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`3`
`5`		`3`
`6`		`15`
`7`		`15`
`8`		`105`
`9`		`105`
`10`		`945`
`11`		`945`
`12`		`10395`
`13`		`10395`
`14`		`135135`
`15`		`135135`
`16`		`2027025`
`17`		`2027025`
`18`		`34459425`
`19`		`34459425`
`20`		`654729075`
`21`		`654729075`
`22`		`13749310575`
`23`		`13749310575`
`24`		`316234143225`
`25`		`316234143225`
`26`		`7905853580625`
`27`		`7905853580625`
`28`		`213458046676875`
`29`		`213458046676875`

[1,1,1,1,3,3,15,15,105,105,945,945,10395,10395, 135135,135135,2027025,2027025,34459425,34459425, 654729075,654729075,13749310575,13749310575, 316234143225,316234143225,7905853580625, 7905853580625,213458046676875,213458046676875]

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Last modified April 24 06:34 EDT 2024. Contains 371920 sequences. (Running on oeis4.)