130946domain: NAppears in sequencesNumber of integers in {1, 2, ..., Fibonacci(n)} that are coprime to n.at n=26A074934Sums of two distinct prime 4th powers.at n=23A130873a(n) is the least integer k such that k/Fibonacci(n) > 2/3.at n=27A293546Sums of two distinct odd fourth powers.at n=37A342832