Triangle read by rows: The number of domino tilings of the (2n+1) X (2m+1) board with a central free square.
A270668
Triangle read by rows: The number of domino tilings of the (2n+1) X (2m+1) board with a central free square.
Terms
- a(0) =1a(1) =0a(2) =2a(3) =1a(4) =0a(5) =196a(6) =0a(7) =32a(8) =0a(9) =75272a(10) =1a(11) =0a(12) =31329a(13) =0a(14) =599466256a(15) =0a(16) =450a(17) =0a(18) =135663392a(19) =0a(21) =1a(22) =0a(23) =4941729a(24) =0a(26) =0a(28) =0a(29) =6272a(30) =0a(31) =233075146752a(32) =0
External references
- oeis: A270668