Number of (n+1)X(n+1) 0..2 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing.
A205056
Number of (n+1)X(n+1) 0..2 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing.
Terms
- a(0) =81a(1) =7572a(2) =4502701a(3) =14708332687
External references
- oeis: A205056