374833

Appears in sequences

• a(n) = Fib(3*n)^2 - 2*Fib(3*n) + 4*Fib(3*n+1) + 5, where Fib = A000045.at n=5A049440
• Numbers k such that sigma(k) = psi(k) + tau(k)^4 + omega(k).at n=6A392519