code: 
  
  
  
  
  
  from __future__ import annotations
  
  def     a						(      _lowercase   :     int       )     ->set[int]:
  		UpperCamelCase__         =	{1}
  		UpperCamelCase__         =	[1]
  		for _ in range(2 ,						depth + 1       ):
  				UpperCamelCase__         =	[*previous_coefficients, 0]
  				UpperCamelCase__         =	[0, *previous_coefficients]
  				UpperCamelCase__         =	[]
  				for x, y in zip(_lowercase ,						_lowercase       ):
  						coefficients.add(x + y       )
  						previous_coefficients.append(x + y       )
  		return coefficients
  
  def     a						(      _lowercase   :     set[int]       )     ->set[int]:
  		UpperCamelCase__         =	set()
  		for number in unique_coefficients:
  				UpperCamelCase__         =	2
  				UpperCamelCase__         =	number
  				while divisor**2 <= copy_number:
  						UpperCamelCase__         =	0
  						while copy_number % divisor == 0:
  								copy_number //= divisor
  								multiplicity += 1
  						if multiplicity >= 2:
  								non_squarefrees.add(_lowercase       )
  								break
  						divisor += 1
  
  		return unique_coefficients.difference(_lowercase       )
  
  def     a						(      _lowercase   :     int = 5_1       )     ->int:
  		UpperCamelCase__         =	get_pascal_triangle_unique_coefficients(_lowercase       )
  		UpperCamelCase__         =	get_squarefrees(_lowercase       )
  		return sum(_lowercase       )
  
  
  if __name__ == "__main__":
  				print(f"""{solution() = }""")
  
  
  
  
  
  
style_context: 
  
  
  
  
  
  import warnings
  
  from .generation import FlaxGenerationMixin
  
  
  
  
  class   _UpperCAmelCase	(   _lowercase					):
  					# warning at import time
  					warnings.warn(
  					    "Importing `FlaxGenerationMixin` from `src/transformers/generation_flax_utils.py` is deprecated and will "
  					    "be removed in Transformers v5. Import as `from transformers import FlaxGenerationMixin` instead." ,       _lowercase ,       )
  
  
  
  
  
  