42374domain: NAppears in sequencesExpansion of 1/(1 - Sum_{i>=1, j>=1, k>=1} x^(i*j*k)).at n=11A304963Matula-Goebel numbers of unlabeled rooted identity RPMG-trees, meaning the Matula-Goebel numbers of the branches of any non-leaf node are relatively prime.at n=20A316469