Number of (n+1)X(7+1) 0..1 arrays with every 2X2 subblock having a single 1 or two 1s on the same edge.
A251257
Number of (n+1)X(7+1) 0..1 arrays with every 2X2 subblock having a single 1 or two 1s on the same edge.
Terms
- a(0) =850a(1) =10108a(2) =69270a(3) =836546a(4) =6080510a(5) =71459218a(6) =539961360a(7) =6151714502a(8) =47962536500a(9) =531311887046
External references
- oeis: A251257