5 F(2n) (F(2n) - 1) + 1 where F(n) denotes the n-th Fibonacci number.
A156094
5 F(2n) (F(2n) - 1) + 1 where F(n) denotes the n-th Fibonacci number.
Terms
- a(0) =1a(1) =1a(2) =31a(3) =281a(4) =2101a(5) =14851a(6) =102961a(7) =708761a(8) =4865911a(9) =33372361a(10) =228792301a(11) =1568309051a(12) =10749725281a(13) =73680695281a(14) =505017569551
External references
- oeis: A156094