examples, and problems from the community.

including olympiad champions, researchers, and professionals.

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# Pattern Recognition

In each of these puzzles, you'll try figure out what creative patterns we intended. However, if you're up for a challenge, try to then come up with a different, crazy way to explain each sequence!

examples, and problems from the community.

including olympiad champions, researchers, and professionals.

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Which of the options best describes the relationship in this sequence:

\[ 2, 5, 11, 23, 47, \ldots \]

examples, and problems from the community.

including olympiad champions, researchers, and professionals.

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by **Brilliant Staff**

Which of the options best describes the relationship in this sequence:

\[ 1, 3, 7, 13, 21, \ldots \]

examples, and problems from the community.

including olympiad champions, researchers, and professionals.

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by **Brilliant Staff**

Which of the options best describes the relationship in this sequence:

\[ 3, 6, 4, 8, 6, 12, 10, 20, \ldots \]

examples, and problems from the community.

including olympiad champions, researchers, and professionals.

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by **Brilliant Staff**

Which of the options best describes the relationship in this sequence:

\[ 3, 7, 11, 15, 19, \ldots \]

examples, and problems from the community.

including olympiad champions, researchers, and professionals.

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by **Brilliant Staff**

Which of the options best describes the relationship in this sequence:

\[ 2, 3, 8, 63, 3968, \ldots \]

examples, and problems from the community.

including olympiad champions, researchers, and professionals.

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by **Brilliant Staff**

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