Question 1113697
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On Fibonacci numbers see this Wikipedia article  https://en.wikipedia.org/wiki/Fibonacci_number  


List of Fibonacci numbers
The first 21 Fibonacci numbers Fn for n = 0, 1, 2, …, 20 are:

F0    F1    F2    F3	F4    F5    F6    F7	F8    F9    F10    F11    F12    F13    F14    F15    F16    F17    F18    F19    F20
0     1	    1     2	3     5	    8     13	21    34    55     89     144    233    377    610    987    1597    2584  4181   6765
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