Number of (n+1) X 4 0..1 arrays with the number of clockwise edge increases in every 2 X 2 subblock differing from each horizontal or vertical neighbor.
A205188
Number of (n+1) X 4 0..1 arrays with the number of clockwise edge increases in every 2 X 2 subblock differing from each horizontal or vertical neighbor.
Terms
- a(0) =48a(1) =64a(2) =124a(3) =160a(4) =292a(5) =384a(6) =708a(7) =928a(8) =1708a(9) =2240a(10) =4124a(11) =5408a(12) =9956a(13) =13056a(14) =24036a(15) =31520a(16) =58028a(17) =76096a(18) =140092a(19) =183712a(20) =338212a(21) =443520a(22) =816516a(23) =1070752a(24) =1971244a(25) =2585024a(26) =4759004a(27) =6240800a(28) =11489252a(29) =15066624
External references
- oeis: A205188