330929

Appears in sequences

• Nonprimes n such that Mod(n,4) == 1 and denominator(Fibonacci((n-1)/4)/n) = 1.at n=16A091982
• Composite n such that n divides both Fibonacci(n-1) and Fibonacci(n) - 1.at n=31A094401
• Largest proper divisor of the Fibonacci numbers > 1.at n=34A139045
• Composites occurring as divisors of Fibonacci(p) with p prime.at n=4A238082
• Frobenius pseudoprimes == 1,4 (mod 5) with respect to Fibonacci polynomial x^2 - x - 1.at n=27A319168