78089
domain: N
Appears in sequences
- Composite n coprime to 5 such that Fibonacci(n) == Legendre(n,5) (mod n).at n=25A049062
- Composite numbers k that divide Fibonacci(k+1).at n=25A069107
- Composite k such that Fibonacci(k) == Legendre(k,5) == 1 (mod k).at n=18A093372
- Odd composites m that divide Fibonacci(m)-1.at n=29A094394
- Odd numbers k that divide Lucas(k) + 1.at n=24A094399
- Numbers k that divide both Fibonacci(k+1) and Lucas(k) + 1.at n=16A094402
- Odd numbers k that divide Fibonacci(k) - 1 but not Fibonacci(k-1).at n=18A094409
- Numbers k that divide Fibonacci(k+1) but do not divide Fibonacci(k) + 1.at n=22A094412
- Numbers k which divide the sum of the Fibonacci numbers F(1) through F(k) and such that k is not a multiple of 24.at n=41A124456
- Values of n such that the expression sqrt(4!*(n+1) + 1) yields a perfect power.at n=14A144854
- Composite numbers k that divide both Fibonacci(k+1) and Fibonacci(2k+1)-1.at n=24A182504
- Monotonic ordering of nonnegative differences 5^i-6^j, for 40>= i>=0, j>=0.at n=26A192193
- Numerator of Sum_{k=1..n} 1/sigma(k).at n=10A212717
- Odd integers m that divide the sum of the first m nonzero Fibonacci numbers.at n=40A331976