A117664 - OEIS

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A117664 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`3`
`3`		`10`
`4`		`105`
`5`		`252`
`6`		`2310`
`7`		`25740`
`8`		`9009`
`9`		`136136`
`10`		`11639628`
`11`		`10581480`
`12`		`223092870`
`13`		`1029659400`
`14`		`2868336900`
`15`		`11090902680`
`16`		`644658718275`
`17`		`606737617200`
`18`		`4011209802600`
`19`		`140603459396400`
`20`		`133573286426580`
`21`		`5215718803323600`

[1,3,10,105,252,2310,25740,9009,136136,11639628, 10581480,223092870,1029659400,2868336900, 11090902680,644658718275,606737617200, 4011209802600,140603459396400,133573286426580, 5215718803323600]

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Last modified April 23 02:10 EDT 2024. Contains 371906 sequences. (Running on oeis4.)