134185

Appears in sequences

• Revert transform of 2*x*(1-x)*(1+x^2-x^5) -x/(1+x).at n=13A049187
• A(n, k) = (m*k)! [x^k] MittagLefflerE(m, x)^(-n), for m = 2, n >= 0, k >= 0; square array read by descending antidiagonals.at n=50A326327
• a(n) = 1 + 2 * Sum_{k=0..n-1} binomial(n-1,k) * a(k) * a(n-k-1).at n=6A345104