A223921 - OEIS

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A223921 as a simple table

`n`		`a(n)`
`1`		`15`
`2`		`225`
`3`		`2111`
`4`		`14123`
`5`		`74040`
`6`		`323394`
`7`		`1226491`
`8`		`4157102`
`9`		`12856218`
`10`		`36834899`
`11`		`98904313`
`12`		`251078009`
`13`		`606789828`
`14`		`1403779390`
`15`		`3122765753`
`16`		`6704628063`
`17`		`13936852281`
`18`		`28123662137`
`19`		`55220811463`
`20`		`105715542647`
`21`		`197678421680`

[15,225,2111,14123,74040,323394,1226491,4157102, 12856218,36834899,98904313,251078009,606789828, 1403779390,3122765753,6704628063,13936852281, 28123662137,55220811463,105715542647,197678421680]

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Last modified June 27 04:01 EDT 2022. Contains 354888 sequences. (Running on oeis4.)