Number of (n+1)X4 0..3 arrays with every 2X2 subblock determinant equal to exactly one or two horizontal and vertical neighbor 2X2 subblock determinants.
A186785
Number of (n+1)X4 0..3 arrays with every 2X2 subblock determinant equal to exactly one or two horizontal and vertical neighbor 2X2 subblock determinants.
Terms
- a(0) =2366a(1) =63504a(2) =696596a(3) =17120960a(4) =281080458a(5) =5705992444a(6) =101397910418
External references
- oeis: A186785