Number of coupled non-normal semi-magic rectangles with sum of entries equal to n.
A321718
Number of coupled non-normal semi-magic rectangles with sum of entries equal to n.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =9a(4) =44a(5) =123a(6) =986a(7) =5043a(8) =45832a(9) =366300a(10) =3862429a(11) =39916803a(12) =495023832a(13) =6227020803a(14) =88549595295
External references
- oeis: A321718