cp's OEIS Frontend

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.

A294297 Integers with precisely five partitions into sums of four squares of nonnegative numbers.

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%I A294297 #12 Oct 29 2017 13:07:34
%S A294297 50,52,54,58,70,73,74,75,76,84,85,86,89,91,93,101,103,109,111,113,127,
%T A294297 131,140,142,143,151,167,191,200,208,216,232,280,296,304,336,344,560,
%U A294297 568,800,832,864,928,1120,1184,1216,1344,1376,2240,2272,3200,3328,3456
%N A294297 Integers with precisely five partitions into sums of four squares of nonnegative numbers.
%C A294297 A002635(a(n)) = 5.
%H A294297 Robert Price, <a href="/A294297/b294297.txt">Table of n, a(n) for n = 1..81</a>
%H A294297 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.
%H A294297 <a href="/index/Su#ssq">Index entries for sequences related to sums of squares</a>
%t A294297 f[n_] := Length@ PowersRepresentations[n, 4, 2]; Select[ Range@ 3500, f@# == 5 &] (* _Robert G. Wilson v_, Oct 27 2017 *)
%Y A294297 Cf. A001156, A002635, A006431, A025428, A180149, A245022, A294282.
%K A294297 nonn
%O A294297 1,1
%A A294297 _Robert Price_, Oct 27 2017