Number of self-complementary 2-multigraphs with loops on n nodes.

A052111

Number of self-complementary 2-multigraphs with loops on n nodes.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =24a(4) =120a(5) =956a(6) =13214a(7) =275848a(8) =10613479a(9) =601955190a(10) =63788179593

External references