48102domain: NAppears in sequencesa(n) = T(n,0) + T(n,1) + ... + T(n,2n), T given by A027113.at n=10A027115Number of ways to place 2 nonattacking nightriders on an n X n board.at n=17A172141Triangle T(n,k): the number of binary sequences of n zeros and n ones in which the shortest run is of length k.at n=36A227924