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A252485
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Least index k for which n occurs in A161885, or 0 if n never occurs.
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1
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144, 73, 12, 23, 14, 8, 15, 9, 7, 11, 6
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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4,1
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COMMENTS
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Further nonzero values are a(18)=5, a(19)=4, a(26)=3, a(32)=2.
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LINKS
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CROSSREFS
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KEYWORD
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nonn,more,hard
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AUTHOR
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STATUS
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approved
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