9227464

Appears in sequences

• a(n) = Fibonacci(n) - 1.at n=34A000071
• a(n) = Fibonacci(n) + (-1)^n.at n=35A008346
• Pisot sequence T(4,7).at n=30A020732
• a(n) = Fibonacci(2*n + 1) - 1.at n=17A027941
• a(n) = Fibonacci(n+2) - (1-(-1)^n)/2.at n=33A052952
• Third column of triangle A054450 (partial row sums of unsigned Chebyshev triangle A049310).at n=32A054451
• a(n) = Fibonacci(n+1) - (1 + (-1)^n)/2.at n=34A074331
• a(n) = Fibonacci(n+1)+cos(n*Pi/2).at n=34A074662
• a(n) = Fibonacci(4n+3) - 1, or Fibonacci(2n+2)*Lucas(2n+1).at n=8A081009
• a(n) = Fibonacci(n) - (Fibonacci(n) mod 2).at n=35A104221
• Alternating sum of the first n Fibonacci numbers.at n=36A119282
• a(n) = Fibonacci((prime(n)+3)/2) - 1.at n=17A121569
• a(n) = Fibonacci(n)*Lucas(n-1).at n=18A128534
• a(2)=1. a(n) = the largest integer coprime to a(n-1) and less than the n-th Fibonacci number.at n=33A157605
• Number of binary strings of length n with no substrings equal to 0001 0010 or 0110.at n=28A164447
• 0-sequence of reduction of Lucas sequence by x^2 -> x+1.at n=17A192243
• a(n) = F(floor( (n+3)/2 )) * L(floor( (n+2)/2 )) where F=Fibonacci and L=Lucas numbers.at n=34A236144
• Number of vertices of type B at level n of the hyperbolic Pascal pyramid PP_(4,5).at n=19A293064
• Numbers whose Zeckendorf representation (A014417) and dual Zeckendorf representation (A104326) are both palindromic.at n=32A331192