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A003343
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Numbers that are the sum of 9 positive 4th powers.
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39
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9, 24, 39, 54, 69, 84, 89, 99, 104, 114, 119, 129, 134, 144, 149, 164, 169, 179, 184, 194, 199, 209, 214, 229, 244, 249, 259, 264, 274, 279, 294, 309, 324, 329, 339, 344, 354, 359, 369, 374, 384, 389, 404, 409, 419, 424, 434, 439, 449, 454, 469, 484, 489, 499, 504
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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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4644 is in the sequence as 4644 = 1^4 + 3^4 + 3^4 + 3^4 + 4^4 + 4^4 + 6^4 + 6^4 + 6^4.
7541 is in the sequence as 7541 = 1^4 + 1^4 + 2^4 + 4^4 + 5^4 + 5^4 + 5^4 + 6^4 + 8^4.
10855 is in the sequence as 10855 = 1^4 + 3^4 + 3^4 + 5^4 + 5^4 + 5^4 + 5^4 + 8^4 + 8^4. (End)
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MATHEMATICA
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Select[Range[500], AnyTrue[PowersRepresentations[#, 9, 4], First[#]>0&]&] (* Jean-François Alcover, Jul 18 2017 *)
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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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STATUS
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approved
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