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A120513
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a(n) = min{j : A120502(j) = n}.
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2
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1, 5, 10, 11, 17, 18, 20, 21, 28, 29, 31, 32, 35, 36, 38, 39, 47, 48, 50, 51, 54, 55, 57, 58, 62, 63, 65, 66, 69, 70, 72, 73, 82, 83, 85, 86, 89, 90, 92, 93, 97, 98, 100, 101, 104, 105, 107, 108, 113, 114
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OFFSET
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1,2
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LINKS
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FORMULA
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G.f.: P(z) = z / (1-z) * (1 + sum(z^(m^2) * (3 + 1 / (1 - z^(m^2))), m=0..infinity))
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MAPLE
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p := proc(n)
if n=1 then return 1; end if;
for j from p(n-1)+1 to infinity do
if A120502(j) = n then return j; fi; od;
end proc;
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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Frank Ruskey and Chris Deugau (deugaucj(AT)uvic.ca), Jun 20 2006
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STATUS
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approved
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