A finite sum of products of binomial coefficients: Sum_(m=0..n) binomial(-1/4, m)^2*binomial(-1/4, n-m)^2 (C. C. Grosjean's problem, numerators).

A241755

A finite sum of products of binomial coefficients: Sum_(m=0..n) binomial(-1/4, m)^2*binomial(-1/4, n-m)^2 (C. C. Grosjean's problem, numerators).

Terms

    a(0) =1a(1) =1a(2) =27a(3) =125a(4) =42875a(5) =250047a(6) =12326391a(7) =78953589a(8) =266468362875

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