A001563 - OEIS

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A001563 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`4`
`3`		`18`
`4`		`96`
`5`		`600`
`6`		`4320`
`7`		`35280`
`8`		`322560`
`9`		`3265920`
`10`		`36288000`
`11`		`439084800`
`12`		`5748019200`
`13`		`80951270400`
`14`		`1220496076800`
`15`		`19615115520000`
`16`		`334764638208000`
`17`		`6046686277632000`
`18`		`115242726703104000`
`19`		`2311256907767808000`
`20`		`48658040163532800000`
`21`		`1072909785605898240000`

[0,1,4,18,96,600,4320,35280,322560,3265920, 36288000,439084800,5748019200,80951270400, 1220496076800,19615115520000,334764638208000, 6046686277632000,115242726703104000, 2311256907767808000,48658040163532800000, 1072909785605898240000]

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Last modified May 20 19:00 EDT 2024. Contains 372720 sequences. (Running on oeis4.)