109872

Appears in sequences

• Matrix inverse of A103247, so that T(n,k) = C(n,k)*A010842(n-k), read by rows.at n=49A107056
• Coefficients in quasimodular form F_2(q) of level 1 and weight 6.at n=28A126858
• G.f.: Sum_{n>=0} x^n/(1-x)^(3*n) * Sum_{k=0..n} C(n,k)^2 * x^k.at n=9A249946
• Regular triangle read by rows: T(n, k) = sum(i=0, n, sum(j=k, n, 3*(-1)^(k+j)*binomial(2*k,k)*binomial(j,i)*binomial(n,i)*binomial(i,n-j)/(2*(2*i-1)*(2*j+1)*(2*n-2*i-1)))).at n=42A262886