A024420 - OEIS

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A024420 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`4`
`4`		`22`
`5`		`108`
`6`		`612`
`7`		`4416`
`8`		`36576`
`9`		`331200`
`10`		`3319200`
`11`		`36806400`
`12`		`445046400`
`13`		`5813579520`
`14`		`81716947200`
`15`		`1230656716800`
`16`		`19761225523200`
`17`		`336973967769600`
`18`		`6082189179494400`
`19`		`115851849523200000`
`20`		`2322322137354240000`
`21`		`48869666136023040000`

[1,1,1,4,22,108,612,4416,36576,331200,3319200, 36806400,445046400,5813579520,81716947200, 1230656716800,19761225523200,336973967769600, 6082189179494400,115851849523200000, 2322322137354240000,48869666136023040000]

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Last modified July 15 03:33 EDT 2024. Contains 374324 sequences. (Running on oeis4.)