Number of (n+1)X(n+1) 0..2 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors.
A205887
Number of (n+1)X(n+1) 0..2 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors.
Terms
- a(0) =81a(1) =6020a(2) =1476942a(3) =1076391970
External references
- oeis: A205887