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Search: id:A136287
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| A136287 |
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Numbers n such that n*(n+1)-1 and n*(n+3)-1 are both the initial member of a pair of twin primes and Sophie Germain primes. In other words, n*(n+1)-1,n*(n+1)+1,n*(n+3)-1,n*(n+3)+1,2*n*(n+1)-1,2*n*(n+3)-1 are all primes. |
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| 3727470, 38221260, 41232960, 55136850, 70584030, 91531320, 94746750, 134647800, 134660370, 261431820, 275356290, 311861430, 326294430, 424734330, 469046970, 443034450, 493582200, 533760540
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