34475domain: NAppears in sequencesNumber of ways to place 5 nonattacking kings on a 5 X n board.at n=6A172204Expansion of 1/(1 - x^2 - x^7).at n=67A369813Array read by antidiagonals: T(n,k) is the number of ways to place k nonattacking kings on a n X k board.at n=61A390158Expansion of 1 / ((1-x)^2 - x^7).at n=30A392543