Number of (n+1)X4 0..2 arrays with every 2X2 subblock determinant equal to exactly one or two horizontal and vertical neighbor 2X2 subblock determinants.
A187421
Number of (n+1)X4 0..2 arrays with every 2X2 subblock determinant equal to exactly one or two horizontal and vertical neighbor 2X2 subblock determinants.
Terms
- a(0) =609a(1) =6512a(2) =46764a(3) =602024a(4) =5254072a(5) =56472058a(6) =533853394a(7) =5585054046a(8) =54998694426a(9) =562340568708
External references
- oeis: A187421