MathCastle
Proof Writing & Problem SolvingSuperchallenge

Proof Writing & Problem Solving · Superchallenge problem

Using the Fibonacci numbers 1,2,3,5,8,13,21,34,55,891, 2, 3, 5, 8, 13, 21, 34, 55, 89, each at most once, in how many ways can 100100 be written as a sum of DIFFERENT numbers from this list? (Order does not matter.) If two neighbouring numbers of the list are never used together, the representation is unique; without that rule it is not.

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