83568

Appears in sequences

• Low-temperature series in y = exp(2J/kT) for antiferromagnetic susceptibility for the Ising model on honeycomb structure.at n=13A002978
• Expansion of e.g.f. arcsin(log(x+1) - tanh(x)).at n=9A013283
• Expansion of e.g.f. sinh(log(x+1) - tanh(x)).at n=9A013287
• McKay-Thompson series of class 21A for Monster.at n=31A058563
• Square roots of highly composite numbers, floored down: a(n) = A000196(A002182(n)).at n=75A263096
• Numbers k such that Bernoulli number B_{k} has denominator 46410.at n=21A295590
• Number of tilings of an equilateral triangle of side length n with unit triangles (of side length 1) and exactly three unit "lozenges" or "diamonds" (also of side length 1).at n=7A326368