Number of defective 3-colorings of an n X 2 0..2 array connected diagonally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.
A229504
Number of defective 3-colorings of an n X 2 0..2 array connected diagonally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.
Terms
- a(0) =0a(1) =6a(2) =48a(3) =288a(4) =1536a(5) =7680a(6) =36864a(7) =172032a(8) =786432a(9) =3538944a(10) =15728640a(11) =69206016a(12) =301989888a(13) =1308622848a(14) =5637144576a(15) =24159191040a(16) =103079215104a(17) =438086664192
External references
- oeis: A229504