8086231domain: NAppears in sequencesOdd composites with increasing proportion of nontrivial non-witnesses of compositeness by the Miller-Rabin primality test.at n=30A090659Euler-Fibonacci pseudoprimes: odd composites k such that F(k) == 5^((k-1)/2) == +-1 (mod k), where F(k) = A000045(k), the Fibonacci numbers.at n=27A345753