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Omni-MATH / For integers n≥k≥0 we define the [i]bibinomial coefficient[/i] left( binomnk right) by left( binomnk right) = fracn!!k!!(n-k)!! . Determine all pairs (n,k) of integers… · Discussion

Discussing For integers n≥k≥0 we define the [i]bibinomial coefficient[/i] left( binom{n}{k} right) by left( binom{n}{k} right) = frac{n!!}{k!!(n-k)!!} . Determine all pairs (n,k) of integers… · Omni-MATH

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