Number of 5Xn 0..2 arrays with exactly floor(5Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order.
A222694
Number of 5Xn 0..2 arrays with exactly floor(5Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order.
Terms
- a(0) =0a(1) =216a(2) =2050a(3) =47696a(4) =419562a(5) =12765040a(6) =126928736a(7) =4292369132a(8) =46437072442
External references
- oeis: A222694