T(n,k)=Number of nXk 0..2 arrays with new values 0..2 introduced in row major order and no element equal to any knight-move neighbor (colorings ignoring permutations of colors).
A208434
T(n,k)=Number of nXk 0..2 arrays with new values 0..2 introduced in row major order and no element equal to any knight-move neighbor (colorings ignoring permutations of colors).
Terms
- a(0) =1a(1) =2a(2) =2a(3) =5a(4) =14a(5) =5a(6) =14a(7) =54a(8) =54a(9) =14a(10) =41a(11) =216a(12) =129a(13) =216a(14) =41a(15) =122a(16) =864a(17) =339a(18) =339a(19) =864a(20) =122a(21) =365a(22) =3456a(23) =1123a(24) =1292a(25) =1123a(26) =3456a(27) =365a(28) =1094a(29) =13824
External references
- oeis: A208434