195227

Appears in sequences

• Numbers k that divide both Fibonacci(k+1) and Lucas(k) + 1.at n=28A094402
• Odd numbers k that divide Fibonacci(k) - 1 but not Fibonacci(k-1).at n=30A094409
• Semiprimes k that divide Fibonacci(k+1).at n=26A177745
• a(1)=2; thereafter, a(n) is the smallest number not occurring earlier such that Kronecker(a(k), a(n)) = -1 for the next n indices k = n+1, n+2, ..., 2n.at n=27A249692