Number of 8 X (n+1) 0..1 arrays with every 2 X 2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..1 introduced in row major order.
A208089
Number of 8 X (n+1) 0..1 arrays with every 2 X 2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..1 introduced in row major order.
Terms
- a(0) =216a(1) =504a(2) =1206a(3) =3096a(4) =7992a(5) =20862a(6) =54504a(7) =142632a(8) =373302a(9) =977256a(10) =2558376a(11) =6697854a(12) =17535096a(13) =45907416a(14) =120187062a(15) =314653752a(16) =823774104a(17) =2156668542a(18) =5646231432a(19) =14782025736a(20) =38699845686a(21) =101317511304a(22) =265252688136a(23) =694440553086
External references
- oeis: A208089