1679368

Appears in sequences

• Expansion of e.g.f. exp(tanh(x)*log(1+x)).at n=10A009269
• Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder up to horizontal and vertical reflections by a tile that is fixed under vertical reflections but not horizontal reflections.at n=40A368255