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1, 1, 7, 1, 11, 91, 1, 17, 133, 11, 23, 91, 1, 29, 2387, 17, 1, 63973, 1, 451, 301, 23, 47, 1547, 11, 53, 133, 29, 59, 1892891, 1, 17, 10787, 1, 781, 4670029, 1, 1, 553, 7667, 83, 113477, 1, 2047, 45353, 47, 1, 150059, 1, 1111, 721, 53, 107, 6973057, 253, 55709, 7
(list;
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listen;
history;
text;
internal format)
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OFFSET
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1,3
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LINKS
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MAPLE
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A165734 := proc(n) op( 1+(n mod 2), [30, 6]) ; end:
A027762 := proc(n) a := 0 ; p := 2 ; while p-1 <= 2*n do if (2*n) mod (p-1) = 0 then a := a+1/p ; fi; p := nextprime(p) ; od: denom(a) ; end:
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MATHEMATICA
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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