Denominator of 3*Sum_{i=1..n} 1/(i^2*C(2*i,i)).

A112094

Denominator of 3*Sum_{i=1..n} 1/(i^2*C(2*i,i)).

Terms

    a(0) =1a(1) =2a(2) =8a(3) =120a(4) =672a(5) =5600a(6) =79200a(7) =50450400a(8) =201801600a(9) =10291881600a(10) =17776886400

External references