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 A353544 #10 Apr 26 2022 04:51:52
%S A353544 285,43214,190773,2676321,3027002,3209073,3894638,5344118,8963306,
%T A353544 15059985,16558005,18619634,35731857,36233846,36413385,37601342,
%U A353544 43559714,52596434,70700145,75135962,81136418,83557617,90577994,91667666,99846201,111263074,124896045,128709801
%N A353544 Numbers k such that k and k+1 are both in A353543.
%H A353544 Amiram Eldar, <a href="/A353544/b353544.txt">Table of n, a(n) for n = 1..200</a> (terms below 10^10)
%e A353544 285 is a term since both 285 and 286 are in A353543.
%t A353544 q[n_] := DivisorSigma[-1, n] > Pi^2/6 && AllTrue[Most @ Divisors[n], DivisorSigma[-1, #] < Pi^2/6 &]; Position[Partition[Array[q, 4*10^6], 2, 1], {True, True}] // Flatten
%Y A353544 Subsequence of A353543.
%Y A353544 Subsequences: A283418, A330872.
%K A353544 nonn
%O A353544 1,1
%A A353544 _Amiram Eldar_, Apr 25 2022