%N Largest number with exactly n representations as a sum of seven positive squares.
%C It appears that a(44) does not exist.
%D E. Grosswald, Representations of Integers as Sums of Squares. Springer-Verlag, New York, 1985, p. 86, Theorem 1.
%H D. H. Lehmer, <a href="http://www.jstor.org/stable/2305380">On the Partition of Numbers into Squares</a>, The American Mathematical Monthly, Vol. 55, No. 8, October 1948, pp. 476-481.
%Y Cf. A025422, A025431, A295669, A295702.
%A _Robert Price_, Nov 27 2017