Number of 4Xn 0..2 arrays with every element equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0) both plus 1 mod 3 and minus 1 mod 3, with new values introduced in order 0..2.
A277769
Number of 4Xn 0..2 arrays with every element equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0) both plus 1 mod 3 and minus 1 mod 3, with new values introduced in order 0..2.
Terms
- a(0) =0a(1) =14a(2) =330a(3) =9741a(4) =275018a(5) =7824415a(6) =221983169a(7) =6298326387a(8) =178728649865
External references
- oeis: A277769