3524576

Appears in sequences

• a(n) = Fibonacci(n+3) - 2.at n=30A001911
• Expansion of (1-x)/(1-2*x^2-x^3).at n=35A078024
• a(n) = Fibonacci(4n+1) - 2, or Fibonacci(2n+2)*Lucas(2n-1).at n=7A081012
• Continued fraction expansion of product_{n>=0} (1-sqrt(5)*[sqrt(5)-2]^{4n+3})/(1-sqrt(5)*[sqrt(5)-2]^{4n+1}).at n=19A221076
• Number of compositions of n into parts 1 and 2 with both parts present.at n=29A245738
• a(n) = (Fibonacci(n+2)-1) mod Fibonacci(floor(n/2)).at n=64A270741