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.

A294309 Integers with precisely eight partitions into sums of four squares of nonnegative numbers.

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%I A294309 #12 Oct 28 2017 11:45:29
%S A294309 114,117,122,126,145,147,148,157,165,169,172,175,177,181,190,193,203,
%T A294309 227,233,311,456,488,504,592,688,760,1824,1952,2016,2368,2752,3040,
%U A294309 7296,7808,8064,9472,11008,12160,29184,31232,32256,37888,44032,48640
%N A294309 Integers with precisely eight partitions into sums of four squares of nonnegative numbers.
%C A294309 A002635(a(n)) = 8.
%H A294309 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 A294309 <a href="/index/Su#ssq">Index entries for sequences related to sums of squares</a>
%t A294309 f[n_]:=Length@PowersRepresentations[n, 4, 2]; Select[Range@850, f@#==8 &] (* _Vincenzo Librandi_, Oct 28 2017 *)
%Y A294309 Cf. A001156, A002635, A006431, A025428, A180149, A245022, A294282, A294297.
%K A294309 nonn
%O A294309 1,1
%A A294309 _Robert Price_, Oct 27 2017