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1, 2, 3, 4, 5, 14, 7, 16, 9, 8, 26, 12, 34, 10, 15, 6, 39, 22, 28, 11, 30, 25, 35, 24, 45, 95, 51, 23, 85, 21, 20, 123, 33, 75, 55, 64, 65, 88, 17, 69, 91, 58, 27, 63, 78, 42, 81, 49, 54, 50, 13, 40, 102, 48, 72, 44, 111, 46, 41, 31, 32, 18, 56, 92, 93, 94, 77, 74, 52, 112, 62
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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COMMENTS
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LINKS
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MATHEMATICA
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f[lst_List] := Block[{k = 4}, While[ GCD[ lst[[-2]], k] == 1 || GCD[ lst[[-1]], k] > 1 || MemberQ[lst, k], k++]; Append[lst, k]]; lst[[#]] & /@ Take[lst = Nest[f, {1, 2, 3}, 120], 71] (* Robert G. Wilson v, Nov 21 2014 *)
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PROG
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(Haskell)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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