1836311902

Appears in sequences

• a(n) = Fibonacci(2*n+2) - 1.at n=22A035508
• Sum of first n terms of A_n (using absolute values of terms).at n=44A039928
• a(n) = Fibonacci(4n+2) - 1, or Fibonacci(2n)*Lucas(2n+2).at n=11A081008
• Sum of first n terms of A_n (signed values).at n=44A100543
• a(n) = Fibonacci((prime(n)+3)/2) - 1.at n=22A121569
• a(n) = F(n)*L(n+2) where F=Fibonacci and L=Lucas numbers.at n=22A128533
• a(n) = Fibonacci(2*n) - (n mod 2).at n=22A192068
• Number of compositions of n into parts 1 and 2 with both parts present.at n=42A245738
• Number of compositions (ordered partitions) of n into parts that do not divide n.at n=47A300702
• a(n) = Fibonacci(n) * Fibonacci(n+1) mod Fibonacci(n+2).at n=44A333599