1134903169

Appears in sequences

• a(n) = Fibonacci(2*n + 1) - 1.at n=22A027941
• Odd terms in A027941.at n=7A076684
• a(n) = Fibonacci(4n+1) - 1, or Fibonacci(2n)*Lucas(2n+1).at n=11A081007
• a(n) = F(n)*L(n+1) where F=Fibonacci and L=Lucas numbers.at n=22A081714
• Alternating sum of the first n Fibonacci numbers.at n=46A119282
• a(2n) = A000045(6n) + 1, a(2n+1) = A000045(6n+3) - 1.at n=15A140413
• Number of vertices of type B at level n of the hyperbolic Pascal pyramid PP_(4,5).at n=24A293064