Number of (n+3)X(3+3) 0..3 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 4, and upper left element zero.
A230944
Number of (n+3)X(3+3) 0..3 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 4, and upper left element zero.
Terms
- a(0) =76a(1) =724a(2) =8374a(3) =85196a(4) =854206a(5) =8838040a(6) =91616256a(7) =944382122a(8) =9735444252a(9) =100434191824
External references
- oeis: A230944