Number of n X 3 0..3 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4 and at least one element with value (x(i,j)-1) mod 4, and upper left element zero.
A231076
Number of n X 3 0..3 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4 and at least one element with value (x(i,j)-1) mod 4, and upper left element zero.
Terms
- a(0) =0a(1) =14a(2) =50a(3) =784a(4) =5098a(5) =54426a(6) =441392a(7) =4164402a(8) =36112834a(9) =328035136a(10) =2904141306a(11) =26078490234a(12) =232346509536
External references
- oeis: A231076