Number of 6Xn 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 2 neighboring 1s.
A297303
Number of 6Xn 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 2 neighboring 1s.
Terms
- a(0) =1a(1) =1a(2) =13a(3) =36a(4) =114a(5) =495a(6) =2816a(7) =14138a(8) =64406a(9) =288079a(10) =1310914a(11) =6040052a(12) =27971466a(13) =129714539a(14) =601185145a(15) =2783395440a(16) =12878290842a(17) =59574077350a(18) =275601620452
External references
- oeis: A297303