a(n) = F(2*n)^3 - F(3*n-1)^2 - F(6*n-8).
A171680
a(n) = F(2*n)^3 - F(3*n-1)^2 - F(6*n-8).
Terms
- a(0) =1a(1) =-1a(2) =16a(3) =353a(4) =6535a(5) =117764a(6) =2114521a(7) =37946999a(8) =680940352a(9) =12219002585a(10) =219261167071
External references
- oeis: A171680