A023009 - OEIS

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A023009 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`10`
`2`		`65`
`3`		`330`
`4`		`1430`
`5`		`5512`
`6`		`19415`
`7`		`63570`
`8`		`195910`
`9`		`573430`
`10`		`1605340`
`11`		`4322110`
`12`		`11240645`
`13`		`28341730`
`14`		`69488650`
`15`		`166096270`
`16`		`387890625`
`17`		`886698670`
`18`		`1987322415`
`19`		`4373271870`
`20`		`9461022285`
`21`		`20144164040`
`22`		`42254620785`
`23`		`87398226990`
`24`		`178396331100`
`25`		`359618772656`
`26`		`716409453320`

[1,10,65,330,1430,5512,19415,63570,195910,573430, 1605340,4322110,11240645,28341730,69488650, 166096270,387890625,886698670,1987322415, 4373271870,9461022285,20144164040,42254620785, 87398226990,178396331100,359618772656, 716409453320]

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Last modified May 15 09:20 EDT 2024. Contains 372540 sequences. (Running on oeis4.)