-2096

Appears in sequences

• Expansion of exp(tan(x)/cosh(x)).at n=9A009254
• Expansion of e.g.f. sin(tanh(x)/cos(x)).at n=4A009530
• Expansion of 1/(1+2*x^2-x^3).at n=23A077965
• Expansion of 3 * (b(q)^2/b(q^2)) / (c(q)^2/c(q^2)) in powers of q where b(), c() are cubic AGM theta functions.at n=13A128637
• Coefficients in the expansion of 1/([r] + [2r]x + [3r]x^2 + ...); [ ] = floor, r = 5/4.at n=27A279677
• Irregular triangle where the n-th row gives coefficients of the minimal irreducible polynomial, that has a root at the elliptic modular lambda-star function evaluated in n.at n=59A389848