I grow by adding the last two of my series, but start with four and six. What am I?
Category: Math · Difficulty: expert
Hint: Examine sequences that build from earlier entries
Answer
A Fibonacci-like sequence variant
Explanation
The pattern resembles Fibonacci but starts uniquely, adding the last two numbers for the next.
This is a expert math riddle — one of the harder riddles here. The answer is A Fibonacci-like sequence variant.
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