196417

Appears in sequences

• a(n) = Fibonacci(n) - 1.at n=26A000071
• a(n) = Fibonacci(n) + (-1)^n.at n=27A008346
• Pisot sequence T(4,7).at n=22A020732
• a(n) = Fibonacci(2*n + 1) - 1.at n=13A027941
• a(n) = Fibonacci(n+2) - (1-(-1)^n)/2.at n=25A052952
• Third column of triangle A054450 (partial row sums of unsigned Chebyshev triangle A049310).at n=24A054451
• Numbers that are Fibonacci numbers plus or minus 1.at n=48A061489
• a(n) = Fibonacci(n+1) - (1 + (-1)^n)/2.at n=26A074331
• a(n) = Fibonacci(n+1)+cos(n*Pi/2).at n=26A074662
• Odd terms in A027941.at n=4A076684
• a(n) = Fibonacci(4n+3) - 1, or Fibonacci(2n+2)*Lucas(2n+1).at n=6A081009
• Expansion of 1/(x + sqrt(1-4x)).at n=11A081696
• Expansion of (3+x-x^2)/((1+x+x^2)(1-x-x^2)).at n=25A100888
• Alternating sum of the first n Fibonacci numbers.at n=28A119282
• a(n) = Fibonacci(n)*Lucas(n-1).at n=14A128534
• a(2n) = A000045(6n) + 1, a(2n+1) = A000045(6n+3) - 1.at n=9A140413
• a(n) = A000045(n) + A131531(n+3).at n=27A141325
• a(2)=1. a(n) = the largest integer coprime to a(n-1) and less than the n-th Fibonacci number.at n=25A157605
• First differences of A160794.at n=49A160795
• Fibonacci-accumulation sequence.at n=49A163227