Complete the pattern: 1, 4, 13, 40, 121, ?
364
Pattern: next term = previous × 3 + 1.
\(1 \times 3 + 1 = 4\)
\(4 \times 3 + 1 = 13\)
\(13 \times 3 + 1 = 40\)
\(40 \times 3 + 1 = 121\)
\(121 \times 3 + 1 = 364\).
Hence the answer is 364.
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