T(n,k)=Number of nXk 0..1 arrays with every element unequal to 1, 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
A306143
T(n,k)=Number of nXk 0..1 arrays with every element unequal to 1, 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =1a(4) =7a(5) =1a(6) =2a(7) =23a(8) =23a(9) =2a(10) =3a(11) =86a(12) =90a(13) =86a(14) =3a(15) =5a(16) =313a(17) =521a(18) =521a(19) =313a(20) =5a(21) =8a(22) =1145a(23) =2787a(24) =4691a(25) =2787a(26) =1145a(27) =8a(28) =13a(29) =4184
External references
- oeis: A306143