63239221

Properties

Appears in sequences

• a(n) = sum of n Fibonacci numbers starting from F(n).at n=19A096140
• Convolution of A066983 with the double Fibonacci sequence A103609.at n=38A121364
• a(n) = Sum_{k=floor((n+1)/2)..n} Fibonacci(k+1).at n=36A129361
• Prime numbersat n=3742623