Number of (n+3)X(5+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.
A230946
Number of (n+3)X(5+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) =1170a(1) =28128a(2) =854206a(3) =22328204a(4) =584293702a(5) =15744800360a(6) =421312592376
External references
- oeis: A230946