Number of nX7 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 0 1 1 vertically.
A208419
Number of nX7 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 0 1 1 vertically.
Terms
- a(0) =42a(1) =1764a(2) =14946a(3) =95265a(4) =512525a(5) =2187162a(6) =8948825a(7) =33334858a(8) =118218298a(9) =407541686a(10) =1356203815a(11) =4445860245a(12) =14341519236a(13) =45718076241a(14) =144724484598a(15) =454821046092
External references
- oeis: A208419