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A157428
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Lower left-hand x-coordinates of invisible 2 X 2 squares with 0 < y < x.
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15
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54, 174, 550, 574, 588, 608, 678, 740, 740, 790, 798, 804, 874, 944, 986, 986, 994, 1034, 1064, 1104, 1104, 1158, 1208, 1274, 1308, 1308, 1308, 1308, 1406, 1420, 1462, 1462, 1462, 1494, 1494, 1550, 1580, 1580, 1610, 1624, 1638, 1650, 1664, 1664, 1664
(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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EXAMPLE
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{54, 20}, {174, 98}, {550, 114}, {574, 368}, {588, 494}, {608, 474}, ...
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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