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 A000174 #40 Mar 25 2025 10:11:34
%S A000174 1,1,1,1,2,2,1,1,2,2,2,2,2,3,2,1,3,3,3,3,4,3,3,2,2,4,4,4,4,5,3,3,4,3,
%T A000174 5,5,5,6,5,3,5,5,5,6,5,6,5,4,4,6,7,6,8,8,7,5,6,5,8,8,4,9,7,6,7,7,8,9,
%U A000174 9,7,9,6,7,8,10,9,9,11,7,8,8,8,11,11,9,12,11,7,9,9,12,13,9,10,11,8,6,10,13,13,13
%N A000174 Number of partitions of n into 5 squares.
%D A000174 E. Grosswald, Representations of Integers as Sums of Squares. Springer-Verlag, NY, 1985, p. 84.
%H A000174 T. D. Noe, <a href="/A000174/b000174.txt">Table of n, a(n) for n = 0..10000</a>
%H A000174 <a href="/index/Su#ssq">Index entries for sequences related to sums of squares</a>
%t A000174 Table[PowersRepresentations[n, 5, 2] // Length, {n, 0, 100}] (* _Jean-François Alcover_, Feb 04 2016 *)
%Y A000174 Equivalent sequences for other numbers of squares: A010052 (1), A000161 (2), A000164 (3), A002635 (4), A000177 (6), A025422 (7), A025423 (8), A025424 (9), A025425 (10).
%Y A000174 Cf. A025429, A295160 (largest number k with a(k) = n).
%K A000174 nonn
%O A000174 0,5
%A A000174 _N. J. A. Sloane_