Number of 4 X n 0..2 arrays with no element x(i,j) adjacent to value 2-x(i,j) horizontally or antidiagonally.
A233157
Number of 4 X n 0..2 arrays with no element x(i,j) adjacent to value 2-x(i,j) horizontally or antidiagonally.
Terms
- a(0) =81a(1) =384a(2) =2592a(3) =17496a(4) =121176a(5) =842616a(6) =5871528a(7) =40931568a(8) =285366888a(9) =1989557640a(10) =13871104848a(11) =96708780360a(12) =674249796360
External references
- oeis: A233157