Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 1 1 1 vertically.
A207933
Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 1 1 1 vertically.
Terms
- a(0) =42a(1) =1764a(2) =6216a(3) =21904a(4) =126688a(5) =732736a(6) =3773248a(7) =19430464a(8) =105642128a(9) =574369156a(10) =3050871800a(11) =16205290000a(12) =87703589600a(13) =474654858304
External references
- oeis: A207933