Number of n X 4 0..3 arrays x(i,j) with each element horizontally, vertically or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero.
A230837
Number of n X 4 0..3 arrays x(i,j) with each element horizontally, vertically or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero.
Terms
- a(0) =0a(1) =162a(2) =16496a(3) =1361842a(4) =114297392a(5) =9617769208a(6) =809092017194
External references
- oeis: A230837