193864606

Appears in sequences

• Golden rectangle numbers: F(n) * F(n+1), where F(n) = A000045(n) (Fibonacci numbers).at n=21A001654
• a(n) = a(n-1) + a(n-3) + a(n-4), starting with a(0..3) = 1, 2, 2, 3.at n=40A070550
• a(n) = (Lucas(4*n+3) + 1)/5, or Fibonacci(2*n+1)*Fibonacci(2*n+2), or A081015(n)/5.at n=10A081016
• Numbers n such that n^2= (1/5)*(n+floor(sqrt(5)*n*floor(sqrt(5)*n))).at n=13A081097
• Products of consecutive members of A090206 (nonprime Fibonacci numbers).at n=14A090228
• A product of consecutive doubled Fibonacci numbers.at n=20A166536
• Denominators in an expansion of 3 - sqrt(5) as a sum of fractions +-1/d.at n=29A255353
• 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=13A384219