495991

Appears in sequences

• Number of cubic Hamiltonian graphs with 2n nodes.at n=8A001186
• a(n) is the numerator of f(n) where f(n) = 1/n for n <= 2 and f(2n) = f(n-1)*f(n+1)+1, and f(2n+1) = f(n)*f(n+1)+1 for n > 2.at n=30A338637