The Fibonacci sequence: 0, 1, 1, 2, 3, 5, 8, 13, 21... Each term is the sum of the two preceding. Consecutive Fibonacci ratios converge to φ (golden ratio ≈ 1.61803).
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Did You Know?
Sunflower seeds, pine cones, and shells exhibit Fibonacci patterns. The spirals in opposite directions are always consecutive Fibonacci numbers (commonly 34 and 55).
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