A277476 - OEIS

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A277476 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`2`
`3`		`6`
`4`		`40`
`5`		`340`
`6`		`3936`
`7`		`56714`
`8`		`976704`
`9`		`19535688`
`10`		`444743680`
`11`		`11349643822`
`12`		`320813048832`
`13`		`9947821243100`
`14`		`335700998830848`
`15`		`12246806941654770`
`16`		`480247532548624384`
`17`		`20144008859005187344`
`18`		`899923326921333301248`
`19`		`42658767419625168409814`
`20`		`2138475182252830504796160`

[0,0,2,6,40,340,3936,56714,976704,19535688, 444743680,11349643822,320813048832,9947821243100, 335700998830848,12246806941654770, 480247532548624384,20144008859005187344, 899923326921333301248,42658767419625168409814, 2138475182252830504796160]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)