602070
domain: N
Appears in sequences
- Golden rectangle numbers: F(n) * F(n+1), where F(n) = A000045(n) (Fibonacci numbers).at n=15A001654
- a(n) = a(n-1) + a(n-3) + a(n-4), a(0) = a(1) = a(2) = 1, a(3) = 2.at n=29A006498
- Numbers k such that 169*2^k+1 is prime.at n=27A032461
- Sum_{i=0..n} (C(n,i) mod 2)*Fibonacci(2i+1) = FL(n+1)Product(L(2^i)^bit(n,i),i=0..).at n=14A050611
- a(n) = a(n-1) + a(n-3) + a(n-4), starting with a(0..3) = 1, 2, 2, 3.at n=28A070550
- a(n) = Sum_{i = 0..floor(n/2)} (-1)^(i + floor(n/2)) F(2*i + e), where F = A000045 (Fibonacci numbers) and e = (1-(-1)^n)/2.at n=30A074677
- Antidiagonal sums of triangle A035317.at n=28A080239
- a(n) = (Lucas(4*n+3) + 1)/5, or Fibonacci(2*n+1)*Fibonacci(2*n+2), or A081015(n)/5.at n=7A081016
- Numbers n such that n^2= (1/5)*(n+floor(sqrt(5)*n*floor(sqrt(5)*n))).at n=9A081097
- Products of consecutive members of A090206 (nonprime Fibonacci numbers).at n=9A090228
- A product of consecutive doubled Fibonacci numbers.at n=14A166536
- Ordered Fibonomial coefficients (A144712) which are not Fibonacci numbers (A000045).at n=24A171159
- Denominators in an expansion of 3 - sqrt(5) as a sum of fractions +-1/d.at n=20A255353
- a(n) = a(n-1) + a(n-3) + a(n-4), where a(0) = 2, a(1) = 1, a(2) = 0, a(3) = 2.at n=29A295688
- Areas of triangles whose three vertices are consecutive ordered pairs of consecutive odd Fibonacci numbers such that an ordered pair's y-value is the next ordered pair's x-value.at n=9A384219