-6656

Appears in sequences

• E.g.f. sin(x*exp(x)).at n=8A009448
• Expansion of tan(tan(tanh(x))).at n=5A009693
• Irregular triangle, T(n, k) = coefficients of p(x, n), where p(x, n) = (1-2*x)^(n+1) * Sum_{j>=0} j^n*(x/(1-x))^j, read by rows.at n=37A142073
• Triangle read by rows, T(n, k) = Sum_{j=0..n} (-1)^(k-j)*Eulerian1(n, j)* binomial(n-j, n-k) for 0 <= k <= n.at n=40A291977