132900

Appears in sequences

• Erroneous version of A047709.at n=12A002911
• Low-temperature series in u = exp(-4J/kT) for ferromagnetic susceptibility for the spin-1/2 Ising model on hexagonal lattice.at n=12A047709
• Number of 1-sided strip polypons with n cells.at n=36A151532
• a(1) = 8; for n > 1, a(n) is the largest integer m such that m = ((2*x*a(n-1)) / (x+1)) - x, with x a positive nontrivial divisor of m.at n=20A338026