A123871 - OEIS

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A123871 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`5`
`2`		`25`
`3`		`120`
`4`		`580`
`5`		`2800`
`6`		`13520`
`7`		`65280`
`8`		`315200`
`9`		`1521920`
`10`		`7348480`
`11`		`35481600`
`12`		`171320320`
`13`		`827207680`
`14`		`3994112000`
`15`		`19285278720`
`16`		`93117562880`
`17`		`449611366400`
`18`		`2170915717120`
`19`		`10482108334080`
`20`		`50612096204800`
`21`		`244376818155520`
`22`		`1179955657441280`
`23`		`5697329902387200`

[1,5,25,120,580,2800,13520,65280,315200,1521920, 7348480,35481600,171320320,827207680,3994112000, 19285278720,93117562880,449611366400, 2170915717120,10482108334080,50612096204800, 244376818155520,1179955657441280,5697329902387200]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)