Random Fibonacci sequence
Description
1 , 1 , 2 , 3 , 5 , 8 , 13 , 21 , 34 , 55 , … . {\displaystyle 1,1,2,3,5,8,13,21,34,55,\ldots .} If the signs alternate in minus-plus-plus-minus-plus-plus-... pattern, the result is the sequence
Random Fibonacci sequence-4