T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with every element equal to at least one horizontal or vertical neighbor and the top left element equal to 0.
A267901
T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with every element equal to at least one horizontal or vertical neighbor and the top left element equal to 0.
Terms
- a(0) =0a(1) =1a(2) =0a(3) =1a(4) =2a(5) =0a(6) =1a(7) =3a(8) =6a(9) =0a(10) =1a(11) =11a(12) =20a(13) =30a(14) =0a(15) =1a(16) =29a(17) =268a(18) =138a(19) =192a(20) =0a(21) =1a(22) =93a(23) =2324a(24) =17658a(25) =1488a(26) =1560a(27) =0a(28) =1a(29) =268
External references
- oeis: A267901