Number of nX4 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 0 0 vertically.
A207713
Number of nX4 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 0 0 vertically.
Terms
- a(0) =10a(1) =100a(2) =450a(3) =2205a(4) =11970a(5) =66946a(6) =383845a(7) =2221688a(8) =12947130a(9) =75691595a(10) =443447550a(11) =2600917830a(12) =15265923595a(13) =89639239300a(14) =526483671750
External references
- oeis: A207713