Number of nX6 0..1 arrays with each 1 horizontally or vertically adjacent to 1, 2 or 4 1s.
A295529
Number of nX6 0..1 arrays with each 1 horizontally or vertically adjacent to 1, 2 or 4 1s.
Terms
- a(0) =21a(1) =876a(2) =21489a(3) =588529a(4) =16031147a(5) =437241277a(6) =11938414614a(7) =325438086413
External references
- oeis: A295529