48356domain: NAppears in sequencesApply partial sum operator twice to binary rooted tree numbers.at n=17A014168a(n) = 100*n^2 - 2*n.at n=22A158129Expansion of Product_{k>=1} ((1 + x^k)/(1 - x^k))^p(k), where p(k) = number of partitions of k (A000041).at n=13A302239