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 A078384 #9 Mar 27 2025 04:25:49
%S A078384 2,5,6,7,7,17,9,15,11,31,14,10,37,43,15,12,17,22,13,18,21,12,73,23,13,
%T A078384 43,89,20,14,101,13,113,63,15,127,14,46,69,50,34,41,15,25,30,45,24,25,
%U A078384 34,62,42,16,18,197,24,105,21,38,20,223,16,115,35,233,241,46,17,257,22
%N A078384 Sum of all prime factors of numbers which can be written as sum of a positive square and a positive cube.
%H A078384 Amiram Eldar, <a href="/A078384/b078384.txt">Table of n, a(n) for n = 1..10000</a>
%F A078384 a(n) = A001414(A055394(n)).
%t A078384 Total[Times @@@ FactorInteger[#]] & /@ Select[Range[300], Length[Reduce[a^2 + b^3 == # && a > 0 && b > 0, {a, b}, Integers]] > 0 &] (* _Amiram Eldar_, Mar 27 2025 *)
%Y A078384 Cf. A001414, A055394, A078378, A078382, A078383.
%K A078384 nonn
%O A078384 1,1
%A A078384 _Reinhard Zumkeller_, Nov 25 2002