Number of (n+2)X(n+2) symmetric binary matrices without the pattern 1 0 1 diagonally or antidiagonally.
A190605
Number of (n+2)X(n+2) symmetric binary matrices without the pattern 1 0 1 diagonally or antidiagonally.
Terms
- a(0) =44a(1) =392a(2) =5328a(3) =119883a(4) =4524432a(5) =264917871a(6) =24691633610
External references
- oeis: A190605