Number of (n+1)X3 0..2 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing.
A205058
Number of (n+1)X3 0..2 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing.
Terms
- a(0) =491a(1) =7572a(2) =111413a(3) =1383154a(4) =16383311a(5) =175923930a(6) =1825712439a(7) =18040920199a(8) =174834354143
External references
- oeis: A205058