A081405 - OEIS

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A081405 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`3`
`3`		`4`
`4`		`15`
`5`		`24`
`6`		`105`
`7`		`192`
`8`		`945`
`9`		`1920`
`10`		`10395`
`11`		`23040`
`12`		`135135`
`13`		`322560`
`14`		`2027025`
`15`		`5160960`
`16`		`34459425`
`17`		`92897280`
`18`		`654729075`
`19`		`1857945600`
`20`		`13749310575`
`21`		`40874803200`
`22`		`316234143225`
`23`		`980995276800`
`24`		`7905853580625`
`25`		`25505877196800`
`26`		`213458046676875`

[1,1,3,4,15,24,105,192,945,1920,10395,23040, 135135,322560,2027025,5160960,34459425,92897280, 654729075,1857945600,13749310575,40874803200, 316234143225,980995276800,7905853580625, 25505877196800,213458046676875]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)