Number of nX5 0..1 arrays avoiding 0 0 1 and 1 0 1 horizontally and 0 1 0 and 1 0 1 vertically.
A207251
Number of nX5 0..1 arrays avoiding 0 0 1 and 1 0 1 horizontally and 0 1 0 and 1 0 1 vertically.
Terms
- a(0) =10a(1) =100a(2) =390a(3) =1950a(4) =9072a(5) =43498a(6) =206514a(7) =982940a(8) =4672690a(9) =22223478a(10) =105684192a(11) =502611290a(12) =2390250122a(13) =11367287780a(14) =54059152686a(15) =257088257194
External references
- oeis: A207251