Number of nX4 0..3 arrays with every element plus 1 mod 4 equal to some element at offset (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.
A278097
Number of nX4 0..3 arrays with every element plus 1 mod 4 equal to some element at offset (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.
Terms
- a(0) =0a(1) =58a(2) =2996a(3) =165408a(4) =8817738a(5) =469476315a(6) =24968293789
External references
- oeis: A278097