148348domain: NAppears in sequencesNumber of hybrid 6-ary trees with n internal nodes.at n=5A239109Number A(n,k) of hybrid k-ary trees with n internal nodes; square array A(n,k), n>=0, k>=1, read by antidiagonals.at n=60A245049Number of hybrid (n+1)-ary trees with n internal nodes.at n=5A245054