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 A092344 #20 Jan 02 2025 07:50:06
%S A092344 1,2,14,38,94,152,302,394,670,848,1264,1454,2254,2368,3346,3788,5022,
%T A092344 5204,7268,7222,9744,10132,12598,12698,17230,16402,20632,21260,26162,
%U A092344 25232,33052,30754,38814,38516,45676,44644,57172,52024,63550,63244,75920,70604,89188
%N A092344 a(0)=1; a(n) = sigma_2(n) + sigma_3(n).
%H A092344 Amiram Eldar, <a href="/A092344/b092344.txt">Table of n, a(n) for n = 0..10000</a>
%F A092344 G.f.: 1 + Sum_{k>=1} k^2*(k + 1)*x^k/(1 - x^k). - _Ilya Gutkovskiy_, Mar 17 2017
%t A092344 Join[{1},Table[DivisorSigma[2,n]+DivisorSigma[3,n],{n,50}]] (* _Harvey P. Dale_, Feb 05 2020 *)
%o A092344 (PARI) a(n) = if(n == 0, 1, my(f = factor(n)); sigma(f, 3) + sigma(f, 2)); \\ _Amiram Eldar_, Jan 02 2025
%Y A092344 Cf. A001157, A001158.
%K A092344 nonn,easy
%O A092344 0,2
%A A092344 _N. J. A. Sloane_, Mar 20 2004