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Search: id:A035142
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| A035142 |
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Numbers n with property that number of partitions-into-distinct-parts of n is a perfect square. |
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+0
2
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OFFSET
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1,3
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PROGRAM
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(PARI) q(n)= polcoeff(prod(k=1, n, 1+x^k, 1+x*O(x^n)), n) for(n=0, 1000, if(issquare(q(n)), print1(n, ", ")))
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CROSSREFS
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Cf. A000009.
Sequence in context: A104749 A062281 A131441 this_sequence A064701 A130315 A087150
Adjacent sequences: A035139 A035140 A035141 this_sequence A035143 A035144 A035145
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KEYWORD
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nonn
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AUTHOR
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Olivier Gerard (olivier.gerard(AT)gmail.com)
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EXTENSIONS
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Next term, if it exists, is greater than 50000. - David Wasserman (wasserma(AT)spawar.navy.mil), Aug 06 2002
Entry revised by N. J. A. Sloane (njas(AT)research.att.com), Jul 23 2006
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