38470

Appears in sequences

• a(n) = Sum_{d|n} d^tau(d).at n=13A174937
• Number of pairs (lambda,mu) of partitions lambda of n and mu of six with mu <= lambda (by diagram containment).at n=22A303856
• Denominator of best rational approximation x/y of log(k), y<=k, with k>1 given by A306975. The corresponding numerators are given in A306976.at n=21A306977
• Number of geometry-minimal periodic tilings of the Euclidean plane with Dress-complexity n.at n=18A335696