T(n,k)=Number of nXk 0..2 white square subarrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value 2-x(i,j).
A230652
T(n,k)=Number of nXk 0..2 white square subarrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value 2-x(i,j).
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =3a(5) =0a(6) =0a(7) =3a(8) =3a(9) =0a(10) =0a(11) =9a(12) =3a(13) =9a(14) =0a(15) =0a(16) =15a(17) =21a(18) =21a(19) =15a(20) =0a(21) =0a(22) =33a(23) =27a(24) =123a(25) =27a(26) =33a(27) =0a(28) =0a(29) =63
External references
- oeis: A230652