43581

Appears in sequences

• Number of 4-valent labeled graphs with n nodes where multiple edges and loops are allowed.at n=6A005816
• Expansion of 1/(1-x^3-x^4-x^5-x^6-x^7-x^8).at n=34A017821
• Array read by antidiagonals: T(n,k) is the number of k-regular multigraphs on n labeled nodes, loops allowed, n >= 0, k >= 0.at n=61A333467