What are the first 10 numbers in the Fibonacci sequence?

Updated Apr 28, 2026

Short answer

0, 1, 1, 2, 3, 5, 8, 13, 21, 34.

Deep explanation

The Fibonacci sequence is defined by the recurrence relation $F_n = F_{n-1} + F_{n-2}$. 0, 1, 1, 2, 3, 5, 8, 13, 21, 34.

Real-world example

Modeling population growth in ideal conditions.

Common mistakes

  • Using a 1-based index when the interviewer expects 0-based.

Follow-up questions

  • What is the 5th Fibonacci number?

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