7778742048

Appears in sequences

• a(n) = Fibonacci(2*n + 1) - 1.at n=24A027941
• a(n) = Fibonacci(4n+1) - 1, or Fibonacci(2n)*Lucas(2n+1).at n=12A081007
• a(n) = F(n)*L(n+1) where F=Fibonacci and L=Lucas numbers.at n=24A081714
• Alternating sum of the first n Fibonacci numbers.at n=50A119282
• Number of 5 X n 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,0) or (-1,-1) and new values introduced in order 0..2.at n=14A275505
• Number of vertices of type B at level n of the hyperbolic Pascal pyramid PP_(4,5).at n=26A293064