A033646 - OEIS

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A033646 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`6`
`4`		`24`
`5`		`120`
`6`		`720`
`7`		`5040`
`8`		`40320`
`9`		`5040`
`10`		`45360`
`11`		`95760`
`12`		`332640`
`13`		`1426320`
`14`		`7464240`
`15`		`46211760`
`16`		`330946560`
`17`		`2693784240`
`18`		`661893120`
`19`		`6049461600`
`20`		`13422709440`
`21`		`52367051520`
`22`		`236313624960`
`23`		`1286302227840`
`24`		`8190440616960`
`25`		`59905688774400`

[1,1,2,6,24,120,720,5040,40320,5040,45360,95760, 332640,1426320,7464240,46211760,330946560, 2693784240,661893120,6049461600,13422709440, 52367051520,236313624960,1286302227840, 8190440616960,59905688774400]

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Last modified August 11 14:28 EDT 2024. Contains 375072 sequences. (Running on oeis4.)