Number of n X 4 binary matrices with no three 1's adjacent in a line horizontally, vertically, diagonally or antidiagonally.
A181220
Number of n X 4 binary matrices with no three 1's adjacent in a line horizontally, vertically, diagonally or antidiagonally.
Terms
- a(0) =13a(1) =169a(2) =1209a(3) =10732a(4) =97764a(5) =845531a(6) =7426986a(7) =65480503a(8) =574725752a(9) =5050028956a(10) =44391722285a(11) =390072820213
External references
- oeis: A181220