-5130

Appears in sequences

• Expansion of e.g.f.: arctan(arctan(x)+log(x+1))=2*x-1/2!*x^2-16/3!*x^3+42/4!*x^4+756/5!*x^5...at n=6A012963
• Expansion of e.g.f. arctan(tanh(x) + log(x+1)).at n=6A013121
• T(n, k) = [x^k] 2^n*(Euler(n, x/2) + Euler(n, x)), where Euler(n, x) are the Euler polynomials. Triangle read by rows, T(n, k) for 0 <= k <= n.at n=64A342314