Numerator of 2*Sum_{k=0..n} binomial(n,k)^2*binomial(n+k,k)^2*(H(n+k)-H(n-k)) where H(n)=Sum_{k=1..n} 1/k.

A334886

Numerator of 2*Sum_{k=0..n} binomial(n,k)^2*binomial(n+k,k)^2*(H(n+k)-H(n-k)) where H(n)=Sum_{k=1..n} 1/k.

Terms

    a(0) =0a(1) =12a(2) =210a(3) =4438a(4) =104825a(5) =13276637a(6) =70543291a(7) =67890874657a(8) =766399019471

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