Number of connected nonnegative integer matrices with sum of entries equal to n, no zero rows or columns, and distinct rows and columns.
A321588
Number of connected nonnegative integer matrices with sum of entries equal to n, no zero rows or columns, and distinct rows and columns.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =9a(4) =29a(5) =181a(6) =1285a(7) =10635a(8) =102355a(9) =1118021a(10) =13637175a(11) =184238115a(12) =2727293893a(13) =43920009785a(14) =764389610843
External references
- oeis: A321588