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4, 10, 12, 28, 30, 36, 82, 84, 90, 108, 244, 246, 252, 270, 324, 730, 732, 738, 756, 810, 972, 2188, 2190, 2196, 2214, 2268, 2430, 2916, 6562, 6564, 6570, 6588, 6642, 6804, 7290, 8748, 19684, 19686, 19692, 19710, 19764, 19926, 20412, 21870, 26244, 59050, 59052
(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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MATHEMATICA
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Sort[Plus @@@ Subsets[3^Range[0, 10], {2}]] (* Amiram Eldar, Jul 13 2022 *)
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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