We observe that n = 1; 2; 3 are Fibonacci numbers and that we cannot write n = 1; 2; 3 as sums of smaller Fibonacci numbers without repeating Fibonacci numbers or using consecutive Fibonacci numbers.
We observe that n = 1; 2; 3 are Fibonacci numbers and that we cannot writen = 1; 2; 3 as sums of smaller Fibonacci numbers without repeating Fibonacci numbersor using consecutive Fibonacci numbers.