1236913domain: NAppears in sequencesExpansion of: (1+62*x+567*x^2+1068*x^3+503*x^4+54*x^5+x^6)/(1-x)^7.at n=8A160834Number of unlabeled loop-graphs with up to n vertices such that it is possible to choose a different vertex from each edge (choosable).at n=15A369145