A262745 - OEIS

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A262745 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`1`
`3`		`4`
`4`		`12`
`5`		`52`
`6`		`360`
`7`		`2656`
`8`		`20160`
`9`		`177472`
`10`		`1814400`
`11`		`20135296`
`12`		`239500800`
`13`		`3102326272`
`14`		`43589145600`
`15`		`654789062656`
`16`		`10461394944000`
`17`		`177738781376512`
`18`		`3201186852864000`
`19`		`60837094646972416`
`20`		`1216451004088320000`
`21`		`25542995336828157952`
`22`		`562000363888803840000`

[0,0,1,4,12,52,360,2656,20160,177472,1814400, 20135296,239500800,3102326272,43589145600, 654789062656,10461394944000,177738781376512, 3201186852864000,60837094646972416, 1216451004088320000,25542995336828157952, 562000363888803840000]

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Last modified August 14 11:25 EDT 2024. Contains 375159 sequences. (Running on oeis4.)