Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 0 1 0 vertically.
A208373
Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 0 1 0 vertically.
Terms
- a(0) =31a(1) =961a(2) =11067a(3) =177909a(4) =2563359a(5) =38542393a(6) =570085195a(7) =8487780687a(8) =126039261499
External references
- oeis: A208373