A002273 - OEIS

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A002273 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`98280`
`3`		`19138560`
`4`		`805208040`
`5`		`14651449344`
`6`		`156717687840`
`7`		`1162883174400`
`8`		`6596666916840`
`9`		`30507984568320`
`10`		`119992701299184`
`11`		`414348381296640`
`12`		`1283840894706720`
`13`		`3635166831206400`
`14`		`9523995863722560`

[1,0,98280,19138560,805208040,14651449344, 156717687840,1162883174400,6596666916840, 30507984568320,119992701299184,414348381296640, 1283840894706720,3635166831206400, 9523995863722560]

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Last modified April 19 14:50 EDT 2024. Contains 371792 sequences. (Running on oeis4.)