T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero.
A298547
T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =1a(4) =4a(5) =1a(6) =2a(7) =17a(8) =17a(9) =2a(10) =3a(11) =61a(12) =109a(13) =61a(14) =3a(15) =5a(16) =216a(17) =588a(18) =588a(19) =216a(20) =5a(21) =8a(22) =793a(23) =3276a(24) =4771a(25) =3276a(26) =793a(27) =8a(28) =13a(29) =2907
External references
- oeis: A298547