A188580 - OEIS

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A188580 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`5`
`2`		`25`
`3`		`125`
`4`		`625`
`5`		`3120`
`6`		`15580`
`7`		`77800`
`8`		`388500`
`9`		`1940000`
`10`		`9687520`
`11`		`48375280`
`12`		`241565200`
`13`		`1206272000`
`14`		`6023600000`
`15`		`30079249920`
`16`		`150202748480`
`17`		`750047481600`
`18`		`3745412320000`
`19`		`18702967200000`
`20`		`93394519000320`
`21`		`466371784007680`
`22`		`2328858730112000`
`23`		`11629312001280000`
`24`		`58071748137600000`
`25`		`289985162611998720`
`26`		`1448060325923962880`
`27`		`7230986194699366400`

[1,5,25,125,625,3120,15580,77800,388500,1940000, 9687520,48375280,241565200,1206272000,6023600000, 30079249920,150202748480,750047481600, 3745412320000,18702967200000,93394519000320, 466371784007680,2328858730112000, 11629312001280000,58071748137600000, 289985162611998720,1448060325923962880, 7230986194699366400]

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