-196888domain: ZAppears in sequencesNumber triangle read by rows, related to exp(x)/(cos(x) + sin(x)).at n=37A117442Triangle of coefficients of generalized Bernoulli polynomials associated with a Dirichlet character modulus 8.at n=21A151751Generalized Bernoulli numbers B_n(X,0), X a Dirichlet character modulus 8.at n=4A161722