A017766 - OEIS

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A017766 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`50`
`2`		`1225`
`3`		`19600`
`4`		`230300`
`5`		`2118760`
`6`		`15890700`
`7`		`99884400`
`8`		`536878650`
`9`		`2505433700`
`10`		`10272278170`
`11`		`37353738800`
`12`		`121399651100`
`13`		`354860518600`
`14`		`937845656300`
`15`		`2250829575120`
`16`		`4923689695575`
`17`		`9847379391150`
`18`		`18053528883775`
`19`		`30405943383200`
`20`		`47129212243960`

[1,50,1225,19600,230300,2118760,15890700,99884400, 536878650,2505433700,10272278170,37353738800, 121399651100,354860518600,937845656300, 2250829575120,4923689695575,9847379391150, 18053528883775,30405943383200,47129212243960]

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Last modified April 24 17:02 EDT 2024. Contains 371962 sequences. (Running on oeis4.)