




"""simple docstring"""






from math import factorial





def 							UpperCAmelCase		(		snake_case			:					Tuple = 20    ):
					_lowerCAmelCase:int									=  2 * n  # middle entry of odd rows starting at row 3 is the solution for n = 1,
					# 2, 3,...
					_lowerCAmelCase:Dict									=  n // 2

					return int(factorial(__lowerCAmelCase    ) / (factorial(__lowerCAmelCase    ) * factorial(n - k    ))    )


if __name__ == "__main__":
							import sys

							if len(sys.argv) == 1:
														print(solution(2_0))
							else:
														try:
																					UpperCamelCase__						=			int(sys.argv[1])
																					print(solution(n))
														except ValueError:
																					print('''Invalid entry - please enter a number.''')












"""simple docstring"""






from ...configuration_utils import PretrainedConfig




class   a__			(       UpperCamelCase_  ):
						snake_case__             = '''bert-generation'''





						def __init__(							self      :	Dict     ,a__      :	str=5_0358     ,a__      :	List[str]=1024     ,a__      :	int=24     ,a__      :	Optional[Any]=16     ,a__      :	List[str]=4096     ,a__      :	Optional[int]="gelu"     ,a__      :	str=0.1     ,a__      :	Union[str, Any]=0.1     ,a__      :	int=512     ,a__      :	Dict=0.02     ,a__      :	List[Any]=1E-12     ,a__      :	List[Any]=0     ,a__      :	int=2     ,a__      :	str=1     ,a__      :	Dict="absolute"     ,a__      :	int=True     ,**a__      :	List[str]     ,)						->       List[Any]:




											"""simple docstring"""







											super().__init__(pad_token_id=a__     ,bos_token_id=a__     ,eos_token_id=a__     ,**a__)

											_lowerCAmelCase:Optional[Any]									=  vocab_size
											_lowerCAmelCase:Union[str, Any]									=  hidden_size
											_lowerCAmelCase:Any									=  num_hidden_layers
											_lowerCAmelCase:int									=  num_attention_heads
											_lowerCAmelCase:int									=  hidden_act
											_lowerCAmelCase:List[Any]									=  intermediate_size
											_lowerCAmelCase:Optional[Any]									=  hidden_dropout_prob
											_lowerCAmelCase:int									=  attention_probs_dropout_prob
											_lowerCAmelCase:Optional[int]									=  max_position_embeddings
											_lowerCAmelCase:Dict									=  initializer_range
											_lowerCAmelCase:Union[str, Any]									=  layer_norm_eps
											_lowerCAmelCase:int									=  position_embedding_type
											_lowerCAmelCase:Tuple									=  use_cache






