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A050505
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Unlucky numbers.
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25
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2, 4, 5, 6, 8, 10, 11, 12, 14, 16, 17, 18, 19, 20, 22, 23, 24, 26, 27, 28, 29, 30, 32, 34, 35, 36, 38, 39, 40, 41, 42, 44, 45, 46, 47, 48, 50, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 64, 65, 66, 68, 70, 71, 72, 74, 76, 77, 78, 80, 81, 82, 83, 84, 85, 86, 88, 89, 90, 91, 92
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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LINKS
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FORMULA
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Numbers deleted in creating the lucky numbers, numbers not in A000959.
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MATHEMATICA
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L = Table[2 i + 1, {i, 0, 50}]; For[n = 2, n < Length[L], r = L[[n++]]; L = ReplacePart[L, Table[r i -> Nothing, {i, 1, Length[L]/r}]]]; Complement[Range@ Max@ L, L] (* Michael De Vlieger, Feb 25 2017, after Jean-François Alcover at A000959 *)
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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