T(n,k)=Number of 2nX2k 0..4 arrays with values 0..4 introduced in row major order and each element equal to an even number of horizontal and vertical neighbors.
A198538
T(n,k)=Number of 2nX2k 0..4 arrays with values 0..4 introduced in row major order and each element equal to an even number of horizontal and vertical neighbors.
Terms
- a(0) =5a(1) =404a(2) =404a(3) =67442a(4) =7937268a(5) =67442a(6) =11739910a(7) =163506788110a(8) =163506788110a(9) =11739910a(10) =2048681430a(14) =2048681430a(15) =357559607382
External references
- oeis: A198538