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Search: id:A133762
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| A133762 |
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Odd composite numbers such that the sum of any two terms, plus 1, is a prime. |
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+0
1
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| 9, 21, 49, 51, 57, 141, 1011, 2661, 21471, 64869, 357561, 1750989, 5409570201, 107563623099, 657637783581
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