Number of 4 X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 1 0 vertically.
A208288
Number of 4 X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 1 0 vertically.
Terms
- a(0) =8a(1) =64a(2) =216a(3) =984a(4) =3984a(5) =16872a(6) =70216a(7) =294192a(8) =1229400a(9) =5142728a(10) =21504256a(11) =89933368a(12) =376090120a(13) =1572797488a(14) =6577333928a(15) =27506063752a(16) =115028758000a(17) =481043815944
External references
- oeis: A208288