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A033705
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Fancy primitive repdigit polygonal numbers (with multiplicity).
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3
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6, 9, 22, 55, 66, 88, 111, 111, 222, 333, 444, 555, 666, 777, 888, 6666, 44444, 111111, 111111, 777777, 999999, 111111111, 777777777, 9999999999, 333333333333, 555555555555, 555555555555, 1111111111111, 1111111111111
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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Mike Keith (domnei(AT)aol.com)
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STATUS
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approved
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