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Star number
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A star number is a figurate number that represents a star-shaped pattern of points. Specifically, the \( n \)-th star number can be calculated using the formula: \[ S_n = 6n(n-1) + 1 \] where \( S_n \) is the \( n \)-th star number.
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Figurate numbers
Numbers
Arithmetic
Fields of mathematics
Mathematics
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