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 A078378 #9 Mar 27 2025 04:26:16
%S A078378 1,1,2,2,3,1,4,2,3,1,2,4,1,1,3,3,3,2,3,2,3,5,1,3,5,2,1,2,4,1,5,1,2,4,
%T A078378 1,7,2,2,2,2,3,4,4,2,3,3,3,3,2,2,4,4,1,4,2,5,2,4,1,4,2,4,1,1,3,5,1,4,
%U A078378 5,2,1,5,1,2,3,4,4,3,7,2,3,3,1,4,1,4,4,6,1,1,6,2,5,3,1,2,3,3,5,1,2,5,3,4,4
%N A078378 Total number of prime factors of numbers which can be written as sum of a positive square and a positive cube.
%H A078378 Amiram Eldar, <a href="/A078378/b078378.txt">Table of n, a(n) for n = 1..10000</a>
%F A078378 a(n) = A001222(A055394(n)).
%t A078378 PrimeOmega[Select[Range[200], Length[Reduce[a^2 + b^3 == # && a > 0 && b > 0, {a, b}, Integers]] > 0 &]] (* _Amiram Eldar_, Mar 27 2025 *)
%Y A078378 Cf. A001222, A055394, A078377, A078379.
%K A078378 nonn
%O A078378 1,3
%A A078378 _Reinhard Zumkeller_, Nov 25 2002