What are the first eight numbers in a Fibonacci sequence when n is equal to 1?

A Fibonacci sequence starts with 1 and 1, and each later number is the sum of the two numbers before it. Continuing gives 1, 1, 2, 3, 5, 8, 13, 21. Therefore, the correct choice is B: 1, 1, 2, 3, 5, 8, 13, 21.

AI-written and checked against the verified answer.