Number of (n+1)X3 0..2 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards.
A205200
Number of (n+1)X3 0..2 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards.
Terms
- a(0) =491a(1) =6138a(2) =71355a(3) =717013a(4) =7041879a(5) =65935448a(6) =615253868a(7) =5678303205a(8) =52503088487a(9) =484989654969
External references
- oeis: A205200