Number of 5Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 1 0 vertically.
A207706
Number of 5Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 1 0 vertically.
Terms
- a(0) =10a(1) =100a(2) =390a(3) =1521a(4) =8151a(5) =43681a(6) =206910a(7) =980100a(8) =4863870a(9) =24137569a(10) =117661437a(11) =573554601a(12) =2815061256a(13) =13816591936a(14) =67635405320a(15) =331090914025
External references
- oeis: A207706