4875781

Appears in sequences

• a(n) = 5*F(n)^2 + 5*F(n) + 1, where F(n) = Fibonacci(n).at n=16A124297
• 5 F(2n) (F(2n) + 1) + 1 where F(n) denotes the n-th Fibonacci number.at n=8A156095