Number of 6Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 1 0 vertically.
A207309
Number of 6Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 1 0 vertically.
Terms
- a(0) =12a(1) =144a(2) =556a(3) =2239a(4) =7093a(5) =23091a(6) =79802a(7) =271023a(8) =906448a(9) =3057442a(10) =10340359a(11) =34870751a(12) =117557963a(13) =396686326a(14) =1338456663a(15) =4514922232a(16) =15230949488a(17) =51384415639a(18) =173349069871a(19) =584798251431
External references
- oeis: A207309