A290922 - OEIS

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A290922 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`5`
`2`		`20`
`3`		`75`
`4`		`279`
`5`		`1040`
`6`		`3881`
`7`		`14485`
`8`		`54060`
`9`		`201755`
`10`		`752959`
`11`		`2810080`
`12`		`10487361`
`13`		`39139365`
`14`		`146070100`
`15`		`545141035`
`16`		`2034494039`
`17`		`7592835120`
`18`		`28336846441`
`19`		`105754550645`
`20`		`394681356140`
`21`		`1472970873915`
`22`		`5497202139519`
`23`		`20515837684160`
`24`		`76566148597121`
`25`		`285748756704325`

[1,5,20,75,279,1040,3881,14485,54060,201755, 752959,2810080,10487361,39139365,146070100, 545141035,2034494039,7592835120,28336846441, 105754550645,394681356140,1472970873915, 5497202139519,20515837684160,76566148597121, 285748756704325]

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Last modified May 22 01:28 EDT 2024. Contains 372741 sequences. (Running on oeis4.)