Number of (n+1) X 6 0..3 arrays with the permanents of 2 X 2 subblocks nondecreasing rightwards and downwards.
A205178
Number of (n+1) X 6 0..3 arrays with the permanents of 2 X 2 subblocks nondecreasing rightwards and downwards.
Terms
- a(0) =1284356a(1) =431119786a(2) =109885347688
External references
- oeis: A205178