87856

Appears in sequences

• a(n) = n + (n+1)^2 + (n+2)^3 + (n+3)^4.at n=14A027621
• a(n) = Fibonacci(n) * Fibonacci(2*n).at n=9A037451
• Numbers n such that n^4 is a sum of 4th powers of four nonzero integers whose sum is n.at n=16A138760
• Numbers k such that iphi(k) = iphi(k+1), where iphi(k) is an infinitary analog to the Euler totient function (A091732).at n=37A326403