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A309230
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Positions of records in A033178.
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0
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2, 5, 13, 25, 37, 41, 61, 85, 113, 181, 361, 421, 433, 613, 793, 1009, 1121, 1261, 2053, 2161, 3421, 4001, 5441, 6481, 7141, 7561, 8033, 9361
(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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Terms appear to have relatively few prime factors compared to their neighbors. a(28)=9361=11*23*37 is the first term with 3 factors.
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LINKS
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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STATUS
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approved
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