T(n,k)=Number of nXk 0..3 arrays with no more than floor(nXk/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..3 order.
A222616
T(n,k)=Number of nXk 0..3 arrays with no more than floor(nXk/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..3 order.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =4a(7) =3a(8) =3a(9) =4a(10) =5a(11) =12a(12) =5a(13) =12a(14) =5a(15) =14a(16) =40a(17) =65a(18) =65a(19) =40a(20) =14a(21) =17a(22) =149a(23) =181a(24) =567a(25) =181a(26) =149a(27) =17a(28) =75a(29) =615
External references
- oeis: A222616