76999

Appears in sequences

• Number of boron trees with n nodes, i.e. n-node rooted trees with degree <= 3 at root and out-degree <= 2 elsewhere.at n=17A000671
• Numbers k such that phi(k + 8) | sigma(k) + 8.at n=11A015873
• Fibonacci sequence with first two terms 11 and 23.at n=18A097657
• A004001[n + 1]*Fibonacci[n + 1] - 2*A004001[n]*Fibonacci[n] + A004001[n - 1]*Fibonacci[n - 1].at n=22A120472