Python/maths/lucas_series.py
Christian Clauss 93fdc9f2a1 Travis CI: Add pytest --doctest-modules maths (#1020)
* Travis CI: Add pytest --doctest-modules maths

* Update lucas_series.py

* Update lucas_series.py
2019-07-21 11:46:28 +05:30

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413 B
Python

# Lucas Sequence Using Recursion
def recur_luc(n):
"""
>>> recur_luc(1)
1
>>> recur_luc(0)
2
"""
if n == 1:
return n
if n == 0:
return 2
return recur_luc(n - 1) + recur_luc(n - 2)
if __name__ == "__main__":
limit = int(input("How many terms to include in Lucas series:"))
print("Lucas series:")
for i in range(limit):
print(recur_luc(i))