-13992

Appears in sequences

• Triangle T, read by rows, such that column k equals column 0 of T^(k+1), where column 0 of T allows the n-th row sums to be zero for n>0 and where T^k is the k-th power of T as a lower triangular matrix.at n=60A101897
• Expansion of Product_{k>=1} (1 + k*x^k)/(1 + 2*x^k).at n=15A269154