Number of (n+1)X6 0..2 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing, and all 2X2 permanents nonzero.
A205232
Number of (n+1)X6 0..2 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing, and all 2X2 permanents nonzero.
Terms
- a(0) =17010a(1) =1707082a(2) =221519116a(3) =26740726836
External references
- oeis: A205232