A186768 - OEIS

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A186768 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`0`
`3`		`1`
`4`		`4`
`5`		`43`
`6`		`258`
`7`		`2525`
`8`		`20200`
`9`		`222119`
`10`		`2221190`
`11`		`28061889`
`12`		`336742668`
`13`		`4856656283`
`14`		`67993187962`
`15`		`1107076110629`
`16`		`17713217770064`
`17`		`322047491979087`
`18`		`5796854855623566`
`19`		`116542615962575753`
`20`		`2330852319251515060`
`21`		`51380800712458456259`

[0,0,0,1,4,43,258,2525,20200,222119,2221190, 28061889,336742668,4856656283,67993187962, 1107076110629,17713217770064,322047491979087, 5796854855623566,116542615962575753, 2330852319251515060,51380800712458456259]

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Last modified April 23 05:20 EDT 2024. Contains 371906 sequences. (Running on oeis4.)