Number of (n+1)X8 0..1 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing, and all 2X2 permanents nonzero.
A204739
Number of (n+1)X8 0..1 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing, and all 2X2 permanents nonzero.
Terms
- a(0) =511a(1) =5219a(2) =50177a(3) =476919a(4) =4484324a(5) =41716355a(6) =384523522a(7) =3504247804a(8) =31566721277a(9) =280920331934
External references
- oeis: A204739