34870domain: NAppears in sequencesa(n) = n*(n+1)*(2*n^3 - n^2 + 2)/6.at n=10A101383Number of 3's in the last section of the set of partitions of n.at n=47A182713a(n) = n*(3*n^2 + 6*n + 1).at n=22A196507a(n) = Sum_{i+j<=m+1} t_i * t_j, where t_1 < ... < t_m are the totatives of n.at n=43A341063