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A119220
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Triangular numbers composed of digits {5,6,8}.
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2
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6, 55, 66, 666, 5565, 5886, 6555, 866586, 5656566, 5566865886, 58855888686, 866856686865, 6686866555566, 56588686866855, 88588558556655, 555665666566566, 685565588888866, 656585655585666885, 5866665855856865856556555656, 5555555666655656666556566566566, 5588888688855688866886555588568586
(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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All terms except the first end in 55, 56, 65, 66, 85 or 86. - Robert Israel, Mar 26 2023
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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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