A065804 - OEIS

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A065804 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`4`
`4`		`6`
`5`		`7`
`6`		`24`
`7`		`120`
`8`		`9`
`9`		`40320`
`10`		`11`
`11`		`3628800`
`12`		`13`
`13`		`479001600`
`14`		`15`
`15`		`87178291200`
`16`		`17`
`17`		`20922789888000`
`18`		`19`
`19`		`6402373705728000`
`20`		`21`
`21`		`2432902008176640000`
`22`		`23`
`23`		`1124000727777607680000`
`24`		`720`
`25`		`26`
`26`		`15511210043330985984000000`
`27`		`28`

[1,1,2,4,6,7,24,120,9,40320,11,3628800,13, 479001600,15,87178291200,17,20922789888000,19, 6402373705728000,21,2432902008176640000,23, 1124000727777607680000,720,26, 15511210043330985984000000,28]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)