104005
domain: N
Appears in sequences
- Rectangular array of numbers Fibonacci(m(n+1))/Fibonacci(m), m >= 1, n >= 0, read by downward antidiagonals.at n=49A028412
- Integers that appear as ratios of Fibonacci numbers F(kn)/F(k), but omitting Fibonacci numbers F(n)/F(1) and Lucas numbers F(2n)/F(n).at n=24A031122
- Denominators of continued fraction convergents to sqrt(80).at n=9A041143
- Denominators of continued fraction convergents to sqrt(320).at n=9A041605
- Denominators of continued fraction convergents to sqrt(720).at n=9A042387
- a(n) = Fibonacci(6*n)/8.at n=5A049660
- a(n) = n^4 - 3*n^2 + 1.at n=18A057722
- a(n) = (2*n-1)*(5*n^2-5*n+2)/2.at n=27A063495
- a(n) = Fibonacci(5n)/Fibonacci(n).at n=5A103326
- a(1) = a(2) = 1, a(n) = a(n-1) + A007947(a(n-2)) for n >= 3, i.e., a(n) = a(n-1) plus the largest squarefree divisor of a(n-2).at n=30A121367
- Chebyshev polynomial of the second kind U(4,n).at n=9A144139
- Largest odd divisors of Fibonacci numbers.at n=29A174883
- Number of (w,x,y,z) with all terms in {1,...,n} and w<x*y*z.at n=18A212057
- Array T(m,n) = Fibonacci(m*n)/Fibonacci(m), by antidiagonals; transpose of A028412.at n=50A214978
- Power round array for the golden ratio, by antidiagonals.at n=61A214987
- Multiplicative inverse of Fibonacci(prime(n)) modulo Fibonacci(prime(n+1)).at n=8A309578
- Numbers k such that k and k+1 have at least 4 but not both exactly 4 distinct prime factors.at n=35A321494