Number of nX5 binary arrays with each sum of a(1..i,1..j) no greater than i*j/2 and rows and columns in nondecreasing order.
A183412
Number of nX5 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) =3a(1) =21a(2) =152a(3) =1518a(4) =11499a(5) =98343a(6) =556989a(7) =3662106a(8) =16124119a(9) =85225430a(10) =312644461a(11) =1392323322a(12) =4440186675a(13) =17261781178a(14) =49427257741a(15) =171990299716a(16) =450949023627
External references
- oeis: A183412