Number of (n+1) X (1+1) 0..2 arrays with every 2 X 2 subblock having the sum of the squares of the edge differences equal to 2.
A233637
Number of (n+1) X (1+1) 0..2 arrays with every 2 X 2 subblock having the sum of the squares of the edge differences equal to 2.
Terms
- a(0) =24a(1) =90a(2) =324a(3) =1188a(4) =4320a(5) =15768a(6) =57456a(7) =209520a(8) =763776a(9) =2784672a(10) =10152000a(11) =37012032a(12) =134936064a(13) =491944320a(14) =1793505024a(15) =6538675968a(16) =23838382080a(17) =86908819968a(18) =316847932416
External references
- oeis: A233637