A019215 - OEIS

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A019215 as a simple table

`n`		`a(n)`
`3`		`0`
`4`		`2`
`5`		`0`
`6`		`4`
`7`		`0`
`8`		`40`
`9`		`0`
`10`		`150`
`11`		`4`
`12`		`610`
`13`		`96`
`14`		`2798`
`15`		`864`
`16`		`13218`
`17`		`7192`
`18`		`64934`
`19`		`52332`
`20`		`328222`
`21`		`339808`
`22`		`1727350`
`23`		`2177700`
`24`		`9454774`
`25`		`13785720`
`26`		`53012810`
`27`		`85897980`
`28`		`303909174`
`29`		`534416936`
`30`		`1779749852`
`31`		`3336552436`
`32`		`10595394664`
`33`		`20885768548`
`34`		`63879012118`

[0,2,0,4,0,40,0,150,4,610,96,2798,864,13218,7192, 64934,52332,328222,339808,1727350,2177700,9454774, 13785720,53012810,85897980,303909174,534416936, 1779749852,3336552436,10595394664,20885768548, 63879012118]

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Last modified April 19 07:38 EDT 2024. Contains 371782 sequences. (Running on oeis4.)