This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A294690 #14 Nov 28 2017 10:24:25 %S A294690 3,11,15,23,24,32,35,33,39,47,48,51,56,59,55,64,62,71,68,61,80,75,83, %T A294690 79,78,77,96,92,95 %N A294690 Largest number with exactly n representations as a sum of seven nonnegative squares. %C A294690 It appears that a(30) does not exist. %D A294690 E. Grosswald, Representations of Integers as Sums of Squares. Springer-Verlag, New York, 1985, p. 86, Theorem 1. %H A294690 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 A294690 Cf. A025422, A025431, A295669. %K A294690 nonn,more %O A294690 1,1 %A A294690 _Robert Price_, Nov 27 2017