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 A347160 #5 Aug 20 2021 22:52:43
%S A347160 0,0,0,16,0,16,0,16,81,16,0,97,0,16,81,16,0,97,0,16,81,16,0,97,625,16,
%T A347160 81,16,0,722,0,16,81,16,625,97,0,16,81,641,0,97,0,16,706,16,0,97,2401,
%U A347160 641,81,16,0,97,625,2417,81,16,0,722,0,16,2482,16,625,97,0,16,81,3042
%N A347160 Sum of 4th powers of distinct prime divisors of n that are <= sqrt(n).
%F A347160 G.f.: Sum_{k>=1} prime(k)^4 * x^(prime(k)^2) / (1 - x^prime(k)).
%t A347160 Table[DivisorSum[n, #^4 &, # <= Sqrt[n] && PrimeQ[#] &], {n, 1, 70}]
%t A347160 nmax = 70; CoefficientList[Series[Sum[Prime[k]^4 x^(Prime[k]^2)/(1 - x^Prime[k]), {k, 1, nmax}], {x, 0, nmax}], x] // Rest
%Y A347160 Cf. A001159, A005065, A005068, A063962, A097974, A098002, A347143, A347158, A347159.
%K A347160 nonn
%O A347160 1,4
%A A347160 _Ilya Gutkovskiy_, Aug 20 2021