6213288

Appears in sequences

• Triangle read by rows: coefficients d(n,k) of André polynomials D(x,n) = Sum_{k>0} d(n,k)*x^k.at n=47A094503
• Triangle read by rows: T(n,k) = (k+1)*T(n-1,k) + (n-k+1)*T(n,k-1).at n=33A096078
• Triangle read by rows: number of simsun n-permutations with k descents.at n=46A113897
• Increasing binary trees having exactly two vertices with outdegree 1.at n=5A131638