Triangle T(m,n) read by rows: number of domino tilings of the 2m X 2n grid (0 <= m <= n).

Terms

a(0) =1a(1) =1a(2) =2a(3) =1a(4) =5a(5) =36a(6) =1a(7) =13a(8) =281a(9) =6728a(10) =1a(11) =34a(12) =2245a(13) =167089a(14) =12988816a(15) =1a(16) =89a(17) =18061a(18) =4213133a(19) =1031151241a(20) =258584046368a(21) =1a(22) =233a(23) =145601a(24) =106912793a(25) =82741005829a(28) =1a(29) =610a(30) =1174500a(31) =2720246633