Number of 3Xn 0..2 arrays with every element plus 1 mod 3 equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.
A278016
Number of 3Xn 0..2 arrays with every element plus 1 mod 3 equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.
Terms
- a(0) =0a(1) =30a(2) =410a(3) =6372a(4) =98410a(5) =1516632a(6) =23376048a(7) =360279838a(8) =5552721246a(9) =85579707940
External references
- oeis: A278016