Number of non-normal semi-magic squares with sum of entries equal to n.
A321719
Number of non-normal semi-magic squares with sum of entries equal to n.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =7a(4) =28a(5) =121a(6) =746a(7) =5041a(8) =40608a(9) =362936a(10) =3635017a(11) =39916801a(12) =479206146a(13) =6227020801a(14) =87187426839
External references
- oeis: A321719