A249696 Number of distinct permanental polynomials among all simple undirected graphs on n nodes.

1, 1, 2, 4, 11, 34, 153, 1035, 12247, 274153, 11999059, 1018915198

Offset: 0

Author

Joerg Arndt, Nov 04 2014

Keywords

• nonn
• hard
• more

Links

• Shunyi Liu, Jinjun Ren, Enumeration of copermanental graphs, arXiv:1411.0184 [math.CO], (1-November-2014)

Crossrefs

Cf. A082104 (distinct characteristic polynomials).