Number of directed (or Gale-Ryser) graphical partitions: degree-vector pairs (in-degree, out-degree) for directed graphs (loops allowed) with n vertices; or possible ordered pair (row-sum, column-sum) vectors for a 0-1 matrix.
A029894
Number of directed (or Gale-Ryser) graphical partitions: degree-vector pairs (in-degree, out-degree) for directed graphs (loops allowed) with n vertices; or possible ordered pair (row-sum, column-sum) vectors for a 0-1 matrix.
Terms
- a(0) =1a(1) =2a(2) =7a(3) =34a(4) =221a(5) =1736a(6) =15584a(7) =153228a(8) =1611189a(9) =17826202a(10) =205282376a(11) =2441437708a(12) =29816628471a(13) =372314544202
External references
- oeis: A029894