Number of nX2 0..3 arrays with the row and column sums nondecreasing.
A202576
Number of nX2 0..3 arrays with the row and column sums nondecreasing.
Terms
- a(0) =10a(1) =90a(2) =616a(3) =3731a(4) =20208a(5) =102665a(6) =492118a(7) =2275947a(8) =10175908a(9) =44549594a(10) =190996160a(11) =808576340a(12) =3377247432a(13) =13999854480a(14) =57518174798a(15) =235275969669a(16) =956569084218
External references
- oeis: A202576