a(n) = (F(8n+2)-1)/3, where F=A000045 (the Fibonacci sequence).
A049655
a(n) = (F(8n+2)-1)/3, where F=A000045 (the Fibonacci sequence).
Terms
- a(0) =0a(1) =18a(2) =861a(3) =40464a(4) =1900962a(5) =89304765a(6) =4195423008a(7) =197095576626
External references
- oeis: A049655