Number of (n+1)X4 0..2 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors.
A205889
Number of (n+1)X4 0..2 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors.
Terms
- a(0) =4020a(1) =79644a(2) =1476942a(3) =26010268a(4) =464115072a(5) =8325468740a(6) =148827007430
External references
- oeis: A205889