Number of n X n binary arrays with each sum of a(1..i,1..j) no greater than i*j/2 and rows and columns in nondecreasing order.
A183408
Number of n X n binary arrays with each sum of a(1..i,1..j) no greater than i*j/2 and rows and columns in nondecreasing order.
Terms
- a(0) =1a(1) =5a(2) =22a(3) =380a(4) =11499a(5) =1497764a(6) =408834576a(7) =475512062908
External references
- oeis: A183408