a(n) is the denominator of Sum_{k=0..n} Catalan(k)/(2^(2k)(n-k+1)^2).

A282296

a(n) is the denominator of Sum_{k=0..n} Catalan(k)/(2^(2k)(n-k+1)^2).

Terms

    a(0) =1a(1) =2a(2) =144a(3) =576a(4) =57600a(5) =4800a(6) =7526400a(7) =36126720a(8) =6502809600a(9) =6502809600a(10) =899245670400

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