def      a__ (		__UpperCamelCase				):
						assert isinstance(lowerCamelCase__     ,      lowerCamelCase__				), 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(lowerCamelCase__				)
						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)}")



from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_sentencepiece_available


A     :  Dict					     =       {}

try:
      if not is_sentencepiece_available():
            raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
      pass
else:
      A     :  Optional[Any]					     =       ["BartphoTokenizer"]

if TYPE_CHECKING:
      try:
            if not is_sentencepiece_available():
                  raise OptionalDependencyNotAvailable()
      except OptionalDependencyNotAvailable:
            pass
      else:
            from .tokenization_bartpho import BartphoTokenizer

else:
      import sys

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


