Let r and s be consecutive Fibonacci numbers. Sequence is r^4, r^3 s, r^2 s^2, and r s^3.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =16a(5) =24a(6) =36a(7) =54a(8) =81a(9) =135a(10) =225a(11) =375a(12) =625a(13) =1000a(14) =1600a(15) =2560a(16) =4096a(17) =6656a(18) =10816a(19) =17576a(20) =28561a(21) =46137a(22) =74529a(23) =120393a(24) =194481a(25) =314874a(26) =509796a(27) =825384a(28) =1336336a(29) =2161720