583199domain: NAppears in sequencesa(n) = 4802*n^2 + 196*n + 1.at n=10A157367Number of no-leaf subgraphs of the 4 X n grid.at n=4A320097Number of no-leaf subgraphs of the 5 X n grid.at n=3A320099Table read by rows: T(n,k) is the number of no-leaf subgraphs of the n X k grid where 1 <= k <= n.at n=13A320101