241375domain: NAppears in sequencesArray read by antidiagonals for k,n>=0: T(n,k) = number of tilings of a 2k X n rectangle using dominos and 2 X 2 right triangles.at n=48A362297Number of tilings of a 3 X 2n rectangle using dominos and 2 X 2 right triangles.at n=6A362299