1328767776
domain: N
Appears in sequences
- Golden rectangle numbers: F(n) * F(n+1), where F(n) = A000045(n) (Fibonacci numbers).at n=23A001654
- a(n) = (Lucas(4*n+3) + 1)/5, or Fibonacci(2*n+1)*Fibonacci(2*n+2), or A081015(n)/5.at n=11A081016
- Numbers n such that n^2= (1/5)*(n+floor(sqrt(5)*n*floor(sqrt(5)*n))).at n=15A081097
- A product of consecutive doubled Fibonacci numbers.at n=22A166536
- Denominators in an expansion of 3 - sqrt(5) as a sum of fractions +-1/d.at n=32A255353
- Number of (n+1) X (2+1) arrays of permutations of 0..n*3+2 with each element having index change +-(.,.) 0,0 0,2 or 1,1.at n=13A264106