63245985
domain: N
Appears in sequences
- a(n) = Fibonacci(n) - 1.at n=38A000071
- a(n) = Fibonacci(n) + (-1)^n.at n=39A008346
- Pisot sequence T(4,7).at n=34A020732
- a(n) = Fibonacci(2*n + 1) - 1.at n=19A027941
- a(n) = Fibonacci(n+2) - (1-(-1)^n)/2.at n=37A052952
- Third column of triangle A054450 (partial row sums of unsigned Chebyshev triangle A049310).at n=36A054451
- Odd terms in A027941.at n=6A076684
- a(n) = Fibonacci(4n+3) - 1, or Fibonacci(2n+2)*Lucas(2n+1).at n=9A081009
- Expansion of (3+x-x^2)/((1+x+x^2)(1-x-x^2)).at n=37A100888
- Alternating sum of the first n Fibonacci numbers.at n=40A119282
- a(n) = Fibonacci(n)*Lucas(n-1).at n=20A128534
- a(2n) = A000045(6n) + 1, a(2n+1) = A000045(6n+3) - 1.at n=13A140413
- Number of binary strings of length n with no substrings equal to 0001 0010 or 0110.at n=32A164447
- 0-sequence of reduction of Lucas sequence by x^2 -> x+1.at n=19A192243
- a(n) = F(floor( (n+3)/2 )) * L(floor( (n+2)/2 )) where F=Fibonacci and L=Lucas numbers.at n=38A236144
- a(n) = F(F(n)) mod F(n), where F = Fibonacci = A000045.at n=38A263101
- Number of vertices of type B at level n of the hyperbolic Pascal pyramid PP_(4,5).at n=21A293064
- Numbers whose Zeckendorf representation (A014417) and dual Zeckendorf representation (A104326) are both palindromic.at n=36A331192