Number of (n+1)X(n+1) 0..1 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing.
A204955
Number of (n+1)X(n+1) 0..1 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing.
Terms
- a(0) =16a(1) =277a(2) =12714a(3) =1442543a(4) =476276892a(5) =470866502871
External references
- oeis: A204955