Number of nX4 binary arrays with each sum of a(1..i,1..j) no greater than i*j/2.
A183405
Number of nX4 binary arrays with each sum of a(1..i,1..j) no greater than i*j/2.
Terms
- a(0) =6a(1) =78a(2) =850a(3) =12203a(4) =154079a(5) =2291035a(6) =30897341a(7) =467710777a(8) =6547006490a(9) =100186985054
External references
- oeis: A183405