2452820
domain: N
Appears in sequences
- Irregular triangle E(n,g) counting not necessarily connected 4-regular simple graphs on n vertices with girth exactly g.at n=24A185140
- Number of not necessarily connected 4-regular simple graphs on n vertices with girth exactly 4.at n=18A185144
- Triangular array E(n,k) counting not necessarily connected k-regular simple graphs on n vertices with girth at least 4.at n=93A185304
- Irregular triangle E(n,g) counting not necessarily connected 4-regular simple graphs on n vertices with girth at least g.at n=24A185340
- Number of not necessarily connected 4-regular simple graphs on n vertices with girth at least 4.at n=18A185344