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* Hexagonal number sequence
A hexagonal number sequence is a sequence of figurate numbers where the nth hexagonal number hₙ is the number of distinct dots in a pattern of dots consisting of the outlines of regular hexagons with sides up to n dots, when the hexagons are overlaid so that they share one vertex.
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* Created sum_of_harmonic_series.py
Here in this code the formula for Harmonic sum is not used, Sum of the series is calculated by creating a list of the elements in the given Harmonic series and adding all the elements of that list !
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In number theory, a weird number is a natural number that is abundant but not semiperfect
* check
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Python program to determine whether a number is Carmichael Number or not.
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* Added algorithm for creating Hamming numbers series in Python
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* Hexagonal number sequence
A hexagonal number sequence is a sequence of figurate numbers where the nth hexagonal number hₙ is the number of distinct dots in a pattern of dots consisting of the outlines of regular hexagons with sides up to n dots, when the hexagons are overlaid so that they share one vertex.
This program returns the hexagonal number sequence of n length.
* Update hexagonalnumbers.py
* Update hexagonalnumbers.py
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* Length must be a positive integer
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In line with issue #4052.
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* added harmonic mean
* Update maths/series/harmonic_mean.py
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* mean and series added in a single file
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* Add Proth number to maths
* Add test for 0 and more informative output
* Fixing test failure issue - unused variable
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