Search: a066214 -id:a066214
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A066213
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Numbers which are sums of squares of some subset of divisors.
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+10
4
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1, 4, 9, 16, 20, 25, 30, 36, 49, 64, 80, 81, 90, 100, 120, 121, 126, 130, 144, 150, 169, 180, 195, 196, 210, 225, 252, 256, 264, 270, 272, 280, 289, 294, 300, 315, 320, 324, 330, 336, 350, 360, 361, 378, 390, 396, 400, 414, 420, 441, 450, 468, 480, 484, 500
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graph;
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listen;
history;
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A066215
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Numbers which are sums of cubes of some subset of divisors.
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+10
4
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1, 8, 27, 36, 64, 72, 125, 216, 252, 288, 343, 378, 512, 520, 576, 584, 729, 738, 756, 792, 828, 855, 954, 972, 1000, 1044, 1331, 1350, 1440, 1520, 1540, 1728, 1764, 1800, 1890, 1944, 1980, 2016, 2070, 2160, 2197, 2304, 2352, 2376, 2400, 2484, 2520, 2548
(list;
graph;
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listen;
history;
text;
internal format)
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A066216
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Noncube numbers which are sums of cubes of some subset of divisors.
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+10
4
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36, 72, 252, 288, 378, 520, 576, 584, 738, 756, 792, 828, 855, 954, 972, 1044, 1350, 1440, 1520, 1540, 1764, 1800, 1890, 1944, 1980, 2016, 2070, 2160, 2304, 2352, 2376, 2400, 2484, 2520, 2548, 2556, 2700, 2772, 2808, 2820, 2870, 2880, 3024, 3220, 3240
(list;
graph;
refs;
listen;
history;
text;
internal format)
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