A221913 - OEIS

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A221913 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`6`
`4`		`1`
`5`		`24`
`6`		`6`
`7`		`120`
`8`		`36`
`9`		`1`
`10`		`720`
`11`		`240`
`12`		`12`
`13`		`5040`
`14`		`1800`
`15`		`120`
`16`		`1`
`17`		`40320`
`18`		`15120`
`19`		`1200`
`20`		`20`
`21`		`362880`
`22`		`141120`
`23`		`12600`
`24`		`300`
`25`		`1`
`26`		`3628800`
`27`		`1451520`
`28`		`141120`
`29`		`4200`
`30`		`30`
`31`		`39916800`
`32`		`16329600`
`33`		`1693440`
`34`		`58800`
`35`		`630`
`36`		`1`
`37`		`479001600`
`38`		`199584000`
`39`		`21772800`
`40`		`846720`
`41`		`11760`
`42`		`42`

[1,2,6,1,24,6,120,36,1,720,240,12,5040,1800,120,1, 40320,15120,1200,20,362880,141120,12600,300,1, 3628800,1451520,141120,4200,30,39916800,16329600, 1693440,58800,630,1,479001600,199584000,21772800, 846720,11760,42]

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Last modified August 20 10:09 EDT 2024. Contains 375325 sequences. (Running on oeis4.)