Half the number of (n+1)X5 0..3 arrays with every 2X2 subblock diagonal sum differing from its antidiagonal sum by more than 3.
A184226
Half the number of (n+1)X5 0..3 arrays with every 2X2 subblock diagonal sum differing from its antidiagonal sum by more than 3.
Terms
- a(0) =621a(1) =14641a(2) =224156a(3) =4207437a(4) =72246797a(5) =1292899174a(6) =22718557269a(7) =402560143085
External references
- oeis: A184226