A005396 - OEIS

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A005396 as a simple table

`n`		`a(n)`
`2`		`1`
`3`		`0`
`4`		`0`
`5`		`6`
`6`		`0`
`7`		`30`
`8`		`24`
`9`		`168`
`10`		`288`
`11`		`1170`
`12`		`2760`
`13`		`9504`
`14`		`25776`
`15`		`84006`
`16`		`244104`
`17`		`779970`
`18`		`2356800`
`19`		`7487310`
`20`		`23167656`
`21`		`73639326`
`22`		`231348000`
`23`		`737718534`
`24`		`2341772136`
`25`		`7498417956`
`26`		`23982456384`
`27`		`77119604400`
`28`		`248088123192`
`29`		`800978437674`
`30`		`2588744704560`
`31`		`8388692108016`
`32`		`27217694697000`

[1,0,0,6,0,30,24,168,288,1170,2760,9504,25776, 84006,244104,779970,2356800,7487310,23167656, 73639326,231348000,737718534,2341772136, 7498417956,23982456384,77119604400,248088123192, 800978437674,2588744704560,8388692108016, 27217694697000]

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)