wheat and chessboard problem

English
By the time that the fifth square is reached on the chessboard, the board contains a total of 31 grains of wheat.

Proper noun

wheat and chessboard problem

  1. (mathematics) A mathematical problem where one must determine how many grains of wheat are on a chessboard, assuming one grain of wheat is placed on the first square, and each subsequent square having twice as many grains of wheat as the previous square.
    Synonym: rice and chessboard problem
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