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A119140
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Triangular numbers composed of digits {1,6,7}.
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2
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1, 6, 66, 171, 666, 1176, 1711, 17766, 61776, 67161, 166176, 617716, 7767711, 61677171, 77171676, 161667171, 166777716, 611677776, 66767167176, 77111161116, 171676611666, 617617761166, 1116177116671, 161776717667666676, 1116166667661771771, 6667177116611677771
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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FORMULA
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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