136597domain: NAppears in sequencesNumbers of undirected cycles in the n X n king graph.at n=2A234622Square array T(n,k), n >= 2, k >= 2, read by antidiagonals, where T(n,k) is the number of (undirected) cycles on the n X k king graph.at n=12A339098Number of (undirected) cycles on the n X 4 king graph.at n=2A339198