





"""simple docstring"""


from typing import TYPE_CHECKING

# rely on isort to merge the imports
from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available


A_	: Optional[Any]      				={
    'configuration_autoformer': [
        'AUTOFORMER_PRETRAINED_CONFIG_ARCHIVE_MAP',
        'AutoformerConfig',
    ],
}

try:
      if not is_torch_available():
            raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
      pass
else:
      A_	: List[str]      				=[
          'AUTOFORMER_PRETRAINED_MODEL_ARCHIVE_LIST',
          'AutoformerForPrediction',
          'AutoformerModel',
          'AutoformerPreTrainedModel',
      ]


if TYPE_CHECKING:
      from .configuration_autoformer import (
          AUTOFORMER_PRETRAINED_CONFIG_ARCHIVE_MAP,
          AutoformerConfig,
      )

      try:
            if not is_torch_available():
                  raise OptionalDependencyNotAvailable()
      except OptionalDependencyNotAvailable:
            pass
      else:
            from .modeling_autoformer import (
                AUTOFORMER_PRETRAINED_MODEL_ARCHIVE_LIST,
                AutoformerForPrediction,
                AutoformerModel,
                AutoformerPreTrainedModel,
            )

else:
      import sys

      A_	: Optional[int]      				=_LazyModule(__name__, globals()["""__file__"""], _import_structure, module_spec=__spec__)












def    UpperCAmelCase_				( __UpperCAmelCase		:      int				)   ->					int:
      assert isinstance(__UpperCAmelCase     ,     __UpperCAmelCase				), f"The input value of [n={number}] is not an integer"

      if number == 1:
            return 2
      elif number < 1:
            SCREAMING_SNAKE_CASE_      		=     f"The input value of [n={number}] has to be > 0"
            raise ValueError(__UpperCAmelCase				)
      else:
            SCREAMING_SNAKE_CASE_      		=     sylvester(number - 1				)
            SCREAMING_SNAKE_CASE_      		=     num - 1
            SCREAMING_SNAKE_CASE_      		=     num
            return lower * upper + 1


if __name__ == "__main__":
   print(f'''The 8th number in Sylvester\'s sequence: {sylvester(8)}''')