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| A puzzling sequence (Posted on 2005-11-13) |
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What are the next three numbers in this sequence: 3, 5, 11, 13, 19, 29, 37, 53, 59, 61, 67, 83, 101, 107, 131, 139, 149, 163, 173, 179, 181 ?
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Submitted by Hugo
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Rating: 3.8571 (7 votes)
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Solution:
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(Hide)
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Answer: 197,211,227
These are prime numbers that correspond to the number of cards in a sequentially numbered deck that requires a number of shuffles one less than its cardinality to be returned to sequential sequence.
See also Penny's: A puzzling sequence
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