54316domain: NAppears in sequencesa(n) = n*(2*n^2 + 5*n + 13)/2.at n=37A163655The forgotten topological index of the Aztec diamond AZ(n) (see the Ramanes et al. reference, Theorem 2.1).at n=19A292346Number of compositions (ordered partitions) of n into distinct parts that do not divide n.at n=50A332001