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A060810
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Numbers whose squares have their digits in strictly increasing order.
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1
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0, 1, 2, 3, 4, 5, 6, 7, 13, 16, 17, 37, 116, 117, 367
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,3
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LINKS
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FORMULA
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EXAMPLE
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117^2 = 13689 and 1 < 3 < 6 < 8 < 9.
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CROSSREFS
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KEYWORD
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base,easy,full,nonn,fini
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AUTHOR
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STATUS
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approved
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