53070domain: NAppears in sequencesNumber of planar partitions of n decreasing across rows.at n=25A003293McKay-Thompson series of class 21A for Monster.at n=29A058563a(n) = n*(2*n^2 + 5*n + 3).at n=29A163815a(n) = Sum_{d|n} d^n * (n/d)^d.at n=5A359882