Number of defective 4-colorings of an n X 6 0..3 array connected horizontally, vertically, diagonally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..3 order.
A229753
Number of defective 4-colorings of an n X 6 0..3 array connected horizontally, vertically, diagonally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..3 order.
Terms
- a(0) =50a(1) =6456a(2) =17404a(3) =32548a(4) =57677a(5) =102271a(6) =186396a(7) =354509a(8) =704530a(9) =1450667a(10) =3059672a(11) =6544921a(12) =14099310a(13) =30453719a(14) =65785684a(15) =141933029a(16) =305639306a(17) =656732227a(18) =1407958032a(19) =3011810033a(20) =6428914918a(21) =13695082991a(22) =29117602316a(23) =61795491133
External references
- oeis: A229753