53316291172
domain: N
Appears in sequences
- a(n) = Fibonacci(2*n + 1) - 1.at n=26A027941
- a(n) = Fibonacci(4n+1) - 1, or Fibonacci(2n)*Lucas(2n+1).at n=13A081007
- a(n) = F(n)*L(n+1) where F=Fibonacci and L=Lucas numbers.at n=26A081714
- a(n) = Fibonacci((prime(n)+3)/2) - 1.at n=25A121569
- Number of vertices of type B at level n of the hyperbolic Pascal pyramid PP_(4,5).at n=28A293064