Number of n X 3 0..2 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero.
A230464
Number of n X 3 0..2 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero.
Terms
- a(0) =0a(1) =0a(2) =114a(3) =1384a(4) =16926a(5) =212124a(6) =2647098a(7) =33046400a(8) =412565142a(9) =5150701380a(10) =64304187186a(11) =802809801448
External references
- oeis: A230464