60020
domain: N
Appears in sequences
- Integer averages of first k primes for some k.at n=4A050248
- Number of integers in {1, 2, ..., Fibonacci(n)} that are coprime to n.at n=24A074934
- Duplicate of A050248.at n=4A075459
- Partial sums of A011757.at n=28A109770
- Upper limit palindromic complexity sequence involving Fibonacci numbers.at n=18A129730
- Numbers k such that k and k^2 use only the digits 0, 2, 3, 4 and 6.at n=23A136883
- G.f.: Sum_{n>=1} moebius(n)*x^n/(1 - Lucas(n)*x^n + (-1)^n*x^(2*n)), where Lucas(n) = A000204(n).at n=24A204291
- Let x(0)x(1)x(2)... x(q) denote the decimal expansion of n. Sequence lists the numbers n such that the suffix of decimal expansion x(1)x(2)... x(q) is the x(0)-th divisor of n.at n=37A234314
- a(n) is the greatest integer k such that k/Fibonacci(n) < 4/5.at n=25A293671
- a(n) is the least integer k such that k/Fibonacci(n) > 4/5.at n=25A293672
- a(n) is the integer k that minimizes |k/Fibonacci(n) - 4/5|.at n=25A293673