26 lines
647 B
Python
26 lines
647 B
Python
#!/usr/bin/env python
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test_list = [ 21,9,17,10 ]
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def triangular_sequence(test_number):
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# test_number represent the number that sequence should stop at.
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# Initialize the sequence with the first number
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sequence = [1]
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# Generate the Triangular sequence
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keep_find = True
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i = 2
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while keep_find:
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next_num = sequence[-1] + i
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keep_find = next_num < test_number
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sequence.append(next_num)
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i = i + 1
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return next_num == test_number
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def check_mathematical_series(n: int) -> str:
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print(triangular_sequence(n))
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for n in test_list:
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check_mathematical_series(n) |