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1, 2, 4, 5, 9, 10, 18, 26, 34, 38, 45, 50, 57, 88, 108, 115, 161, 208, 224, 225, 238, 240, 264, 354, 597, 634, 984, 1008, 1080, 1468
(list;
graph;
refs;
listen;
history;
text;
internal format)
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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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EXAMPLE
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MAPLE
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A191751 := proc(n) local k; for k from 0 do if isprime((2^n-1)*2^n-k) then return k: end if : end do: end proc:
A191620 := proc(n) local k: for k from 0 do if isprime((2^n-k)*2^n-1) then return k: end if: end do: end proc:
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CROSSREFS
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KEYWORD
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nonn,less,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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