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.

A223134 Number of distinct sums i+j+k with i,j,k >= 0, i*j*k <= n.

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%I A223134 #15 Aug 23 2024 04:29:49
%S A223134 1,4,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,
%T A223134 49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,
%U A223134 95,97,99,101,103,105,107,109,111,113,115,117,119,121,123,125
%N A223134 Number of distinct sums i+j+k with i,j,k >= 0, i*j*k <= n.
%C A223134 Appears to be essentially the same as A176271, A140139, A130773, A062545. - _R. J. Mathar_, Aug 23 2024
%H A223134 Robert Price, <a href="/A223134/b223134.txt">Table of n, a(n) for n = 0..100</a>
%t A223134 f[n_] := Length[Complement[Union[Flatten[Table[If[i*j*k <= n, {i + j + k}], {i, 0, n}, {j, 0, n}, {k, 0, n}], 2]], {Null}]]; Table[f[n], {n, 0, 100}]
%Y A223134 Cf. A226357, A226359, A222945, A222947, A223133.
%K A223134 nonn
%O A223134 0,2
%A A223134 _Robert Price_, Jun 12 2013