25658

Appears in sequences

• Number of simple connected graphs with n nodes that are Hamiltonian and have no subgraph isomorphic to diamond graph.at n=9A243560
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-2) + n, where a(0) = 1, a(1) = 2, b(0) = 3.at n=17A294537