272611

Appears in sequences

• Odd-indexed terms of A124297.at n=6A001604
• Composite n such that n divides both Fibonacci(n-1) and Fibonacci(n) - 1.at n=26A094401
• a(n) = 5*F(n)^2 + 5*F(n) + 1, where F(n) = Fibonacci(n).at n=13A124297
• Semiprimes k that divide Fibonacci(k-1).at n=28A177086
• Lucas Aurifeuillian primitive part B of Lucas(10*n - 5).at n=6A190781
• Frobenius pseudoprimes with respect to Fibonacci polynomial x^2 - x - 1.at n=31A212424
• Numbers m such that m - 2 divides m^m + 2.at n=17A249751
• Frobenius pseudoprimes == 1,4 (mod 5) with respect to Fibonacci polynomial x^2 - x - 1.at n=23A319168