a(0) = 1; a(n) = Sum_{k=0..n-1} (k+1)^2 * a(k) * a(n-k-1).

A376095

a(0) = 1; a(n) = Sum_{k=0..n-1} (k+1)^2 * a(k) * a(n-k-1).

Terms

    a(0) =1a(1) =1a(2) =5a(3) =54a(4) =983a(5) =26863a(6) =1029188a(7) =52747686a(8) =3491367091a(9) =290276997159

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