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Search: id:A118593
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| A118593 |
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Larger component of twin prime pairs whose sum is a square. |
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+0
2
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| 19, 73, 883, 1153, 2593, 3529, 4051, 15139, 20809, 34849, 46819, 69193, 83233, 103969, 112339, 149059, 176419, 180001, 206083, 281251, 362953, 388963, 438049, 472393, 478243, 538723, 649801, 734473, 808993, 960499, 1080451, 1143073
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Also A069496(n)+2.
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LINKS
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Author?, Title?
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EXAMPLE
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17 and 19 are twin primes whose sum is 36, a square, so 19 is the first term
in the table.
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PROGRAM
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(PARI) g(n) = for(x=1, n, p1=prime(x); p2=prime(x+1); if(p2-p1==2&issquare(p1+p2), print1(p2", ")))
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CROSSREFS
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Cf. A069496 and A118593.
Sequence in context: A154406 A141960 A157889 this_sequence A047979 A159997 A073566
Adjacent sequences: A118590 A118591 A118592 this_sequence A118594 A118595 A118596
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KEYWORD
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easy,nonn
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AUTHOR
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Cino Hilliard (hillcino368(AT)gmail.com), May 08 2006
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