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Search: id:A065459
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| A065459 |
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Number of inequivalent (ordered) solutions to n^2 = sum of 5 squares of integers >= 0. |
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+0
1
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| 1, 2, 2, 3, 4, 5, 6, 7, 8, 13, 12, 13, 17, 25, 22, 27, 31, 35, 38, 46, 49, 61, 61, 61, 73, 92, 83, 112, 106, 118, 127, 147, 138, 185, 175, 178, 198, 239, 212, 254, 262, 298, 294, 341, 304, 404, 376, 385, 432, 483, 441, 539, 517, 560, 551, 680, 587, 745, 693, 698
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OFFSET
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1,2
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EXAMPLE
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a(5)=4 because 25 produces {0,0,0,0,5},{0,0,0,3,4},{0,1,2,2,4},{2,2,2,2,3}
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MATHEMATICA
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Length/@Table[SumOfSquaresRepresentations[5, (k)^2], {k, 72}]
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CROSSREFS
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A063014, A016727
Sequence in context: A001302 A001313 A057537 this_sequence A011873 A008673 A133564
Adjacent sequences: A065456 A065457 A065458 this_sequence A065460 A065461 A065462
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KEYWORD
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nonn
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AUTHOR
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Wouter Meeussen, Nov 18, 2001
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