Number of (n+1)X7 0..1 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards.
A204721
Number of (n+1)X7 0..1 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards.
Terms
- a(0) =3490a(1) =115060a(2) =2995945a(3) =75805761a(4) =1793675684a(5) =41246881735a(6) =924334074451
External references
- oeis: A204721