A087981 - OEIS

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A087981 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`2`
`3`		`4`
`4`		`24`
`5`		`128`
`6`		`880`
`7`		`6816`
`8`		`60032`
`9`		`589312`
`10`		`6384384`
`11`		`75630080`
`12`		`972387328`
`13`		`13483769856`
`14`		`200571078656`
`15`		`3185540657152`
`16`		`53800242216960`
`17`		`962741176500224`
`18`		`18195808235880448`
`19`		`362183230599856128`
`20`		`7572922094360723456`
`21`		`165945771111208714240`
`22`		`3802923921298533384192`
`23`		`90965940197460917878784`
`24`		`2267151124921333646884864`

[1,0,2,4,24,128,880,6816,60032,589312,6384384, 75630080,972387328,13483769856,200571078656, 3185540657152,53800242216960,962741176500224, 18195808235880448,362183230599856128, 7572922094360723456,165945771111208714240, 3802923921298533384192,90965940197460917878784, 2267151124921333646884864]

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Last modified April 19 02:45 EDT 2024. Contains 371782 sequences. (Running on oeis4.)