A074447 - OEIS

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A074447 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`1`
`4`		`2`
`5`		`12`
`6`		`40`
`7`		`144`
`8`		`496`
`9`		`1813`
`10`		`6528`
`11`		`23808`
`12`		`87210`
`13`		`322560`
`14`		`1198080`
`15`		`4473647`
`16`		`16775168`
`17`		`63160320`
`18`		`238605640`
`19`		`904200192`
`20`		`3435947622`
`21`		`13089411609`
`22`		`49977753600`
`23`		`191219367936`
`24`		`733007402160`
`25`		`2814749599332`
`26`		`10825959997440`
`27`		`41699995927744`
`28`		`160842839041170`
`29`		`621186153185280`

[0,0,1,2,12,40,144,496,1813,6528,23808,87210, 322560,1198080,4473647,16775168,63160320, 238605640,904200192,3435947622,13089411609, 49977753600,191219367936,733007402160, 2814749599332,10825959997440,41699995927744, 160842839041170,621186153185280]

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Last modified April 19 16:52 EDT 2024. Contains 371794 sequences. (Running on oeis4.)