Lucas sequence

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African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

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Lucas sequence

mathematics

Learn about this topic in these articles:

formula

In number game: Fibonacci numbers
…the parentheses are the so-called Lucas sequence: 1, 3, 4, 7, 11, 18. The Lucas sequence shares the recursive relation of the Fibonacci sequence; that is, x_n = x_{n − 1} + x_{n − 2}.
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