Number of (n+3)X(4+3) 0..2 white square subarrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero.
A230704
Number of (n+3)X(4+3) 0..2 white square subarrays x(i,j) with each element 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) =102a(1) =800a(2) =16536a(3) =121382a(4) =2382398a(5) =17497342a(6) =342031378a(7) =2508344646a(8) =49068380730a(9) =359731738744
External references
- oeis: A230704