A223988 - OEIS

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A223988 as a simple table

`n`		`a(n)`
`1`		`20`
`2`		`400`
`3`		`5029`
`4`		`44803`
`5`		`308470`
`6`		`1738756`
`7`		`8350154`
`8`		`35158856`
`9`		`132595894`
`10`		`455284536`
`11`		`1441678804`
`12`		`4253578398`
`13`		`11791889562`
`14`		`30929283640`
`15`		`77204065141`
`16`		`184304047745`
`17`		`422556706314`
`18`		`933834642586`
`19`		`1995549087157`
`20`		`4134881948947`
`21`		`8327774224280`

[20,400,5029,44803,308470,1738756,8350154, 35158856,132595894,455284536,1441678804, 4253578398,11791889562,30929283640,77204065141, 184304047745,422556706314,933834642586, 1995549087157,4134881948947,8327774224280]

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Last modified April 18 08:27 EDT 2024. Contains 371769 sequences. (Running on oeis4.)