Number of 7Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 0 and 1 1 1 vertically.
A207900
Number of 7Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 0 and 1 1 1 vertically.
Terms
- a(0) =42a(1) =1764a(2) =8928a(3) =47320a(4) =231900a(5) =1153532a(6) =5888458a(7) =29719004a(8) =148308700a(9) =747498440a(10) =3783114924a(11) =19018273952a(12) =95539877180a(13) =481930389188
External references
- oeis: A207900