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Search: id:A073614
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| A073614 |
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Numbers n such that n*(prime(n)+1) is a square. |
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+0
1
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OFFSET
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1,1
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MAPLE
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for i from 1 to 250000 do `if`(issqr(i*(ithprime(i)+1))=true, i, NULL); od;
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CROSSREFS
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Sequence in context: A063829 A140671 A054558 this_sequence A088361 A135968 A135969
Adjacent sequences: A073611 A073612 A073613 this_sequence A073615 A073616 A073617
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KEYWORD
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nonn
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AUTHOR
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Benoit Cloitre (benoit7848c(AT)orange.fr), Aug 29 2002
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EXTENSIONS
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The next term, if it exists, is >250000.
More terms from Francois Jooste (pin(AT)myway.com), Mar 16 2003
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