5464904448

Appears in sequences

• Triangle read by rows: T(0,0) = 1, T(n,k) = Sum_{j=max(0,1-k)..n-k} (2^j)*(binomial(k+j,1+j) + binomial(k+j+1,1+j))*T(n-1,k-1+j).at n=29A085734
• Expansion of e.g.f. log(1 + (exp(2*x) - 1)/2)^2 / 2.at n=16A383165