A223460 - OEIS

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A223460 as a simple table

`n`		`a(n)`
`1`		`21`
`2`		`60`
`3`		`190`
`4`		`600`
`5`		`1946`
`6`		`6264`
`7`		`20440`
`8`		`66208`
`9`		`216452`
`10`		`702768`
`11`		`2298936`
`12`		`7470944`
`13`		`24444168`
`14`		`79466336`
`15`		`260022112`
`16`		`845441152`
`17`		`2766427344`
`18`		`8995380672`
`19`		`29434608608`
`20`		`95712808320`
`21`		`313191301792`
`22`		`1018418848640`
`23`		`3332470833536`
`24`		`10836405217792`

[21,60,190,600,1946,6264,20440,66208,216452, 702768,2298936,7470944,24444168,79466336, 260022112,845441152,2766427344,8995380672, 29434608608,95712808320,313191301792, 1018418848640,3332470833536,10836405217792]

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)