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A295801
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Numbers that have exactly four representations as a sum of seven positive squares.
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0
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37, 40, 42, 46, 48, 49, 50, 52, 53, 62, 65
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refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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It appears that this sequence is finite and complete. See the von Eitzen link for a proof for the 5 positive squares case.
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REFERENCES
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E. Grosswald, Representations of Integers as Sums of Squares. Springer-Verlag, New York, 1985, p. 86, Theorem 1.
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LINKS
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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STATUS
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approved
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