T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero.
A298280
T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3, 4 or 5 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) =18a(8) =18a(9) =2a(10) =3a(11) =64a(12) =129a(13) =64a(14) =3a(15) =5a(16) =236a(17) =873a(18) =873a(19) =236a(20) =5a(21) =8a(22) =888a(23) =6013a(24) =10679a(25) =6013a(26) =888a(27) =8a(28) =13a(29) =3336
External references
- oeis: A298280