T(n,k) = Number of n X k 0..1 arrays with exactly floor(n X k/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order.
A222456
T(n,k) = Number of n X k 0..1 arrays with exactly floor(n X k/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =3a(7) =2a(8) =2a(9) =3a(10) =4a(11) =7a(12) =2a(13) =7a(14) =4a(15) =4a(16) =10a(17) =17a(18) =17a(19) =10a(20) =4a(21) =5a(22) =23a(23) =27a(24) =101a(25) =27a(26) =23a(27) =5a(28) =20a(29) =64
External references
- oeis: A222456