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1, 2, 3, 4, 9, 15, 25, 35, 39, 45, 51, 85, 91, 95, 115, 119, 133, 161, 175, 329, 427, 581, 679, 973, 1043, 1141, 1267, 1337, 1673, 1897, 1981, 3443, 3493, 3563, 5753, 6941, 9229, 10417, 11561, 14963, 15037, 16181, 17369, 19657, 23089, 24277, 30043, 31207, 33253, 34793, 35849, 36949, 45071
(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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See the "Graph of first 300000 terms" in A098550.
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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]]; records[s_List] := Block[{k = 1, lmt = 1 + Length@ s, lst = {}, mx = 0}, While[k < lmt, If[ s[[k]] > mx, mx = s[[k]]; AppendTo[lst, mx]]; k++]; lst]; s = Nest[f, {1, 2, 3}, 1000]; records[s]
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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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