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30-seconds-of-code/snippets/fibonacci_until_num.md
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fibonacci_until_num math

Returns the n-th term in a Fibonnaci sequence that starts with 1

A term in a Fibonnaci sequence is the sum of the two previous terms. This function recursively calls the function to find the n-th term.

def fibonacci_until_num(n):
  if n < 3:
    return 1
  return fibonacci_until_num(n - 2) + fibonacci_until_num(n - 1)

fibonnaci_until_num(5) # 5
fibonnaci_until_num(15) # 610