Number of n X 3 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.

A278096

Number of n X 3 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) =10a(2) =164a(3) =2996a(4) =52310a(5) =911096a(6) =15854438a(7) =275796494a(8) =4797380865a(9) =83447002829

External references