A003781 - OEIS

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A003781 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`0`
`3`		`56`
`4`		`126`
`5`		`0`
`6`		`0`
`7`		`576`
`8`		`756`
`9`		`0`
`10`		`0`
`11`		`1512`
`12`		`2072`
`13`		`0`
`14`		`0`
`15`		`4032`
`16`		`4158`
`17`		`0`
`18`		`0`
`19`		`5544`
`20`		`7560`
`21`		`0`
`22`		`0`
`23`		`12096`
`24`		`11592`
`25`		`0`
`26`		`0`
`27`		`13664`
`28`		`16704`
`29`		`0`
`30`		`0`
`31`		`24192`
`32`		`24948`
`33`		`0`
`34`		`0`
`35`		`27216`
`36`		`31878`
`37`		`0`
`38`		`0`
`39`		`44352`
`40`		`39816`
`41`		`0`
`42`		`0`
`43`		`41832`
`44`		`55944`
`45`		`0`
`46`		`0`
`47`		`72576`
`48`		`66584`
`49`		`0`
`50`		`0`
`51`		`67536`
`52`		`76104`
`53`		`0`
`54`		`0`
`55`		`100800`

[1,0,0,56,126,0,0,576,756,0,0,1512,2072,0,0,4032, 4158,0,0,5544,7560,0,0,12096,11592,0,0,13664, 16704,0,0,24192,24948,0,0,27216,31878,0,0,44352, 39816,0,0,41832,55944,0,0,72576,66584,0,0,67536, 76104,0,0,100800]

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Last modified May 9 19:33 EDT 2024. Contains 372354 sequences. (Running on oeis4.)