-176896domain: ZAppears in sequencesExpansion of e.g.f.: sinh(log(1 + sin(x))).at n=10A009567Irregular 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=60A142073