58426

Appears in sequences

• Number of mixed Husimi trees with n nodes; or rooted polygonal cacti with bridges.at n=11A000237
• Pisot sequences E(5,7), P(5,7).at n=25A020711
• Pisot sequences E(7,10), P(7,10).at n=24A020721
• a(n) = floor(sqrt(a(n-1)^2 + a(n-2)^2 + a(n-1)*a(n-2))), a(1)=1, a(2)=3.at n=28A128424
• Expansion of g.f. Sum_{n>=1} q^n/(1-q^n-q^(3*n)).at n=30A368688