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 A353302 #7 Apr 10 2022 09:50:13 %S A353302 3,4,5,9,11,12,24,25,76,82,105,139,217,1370 %N A353302 Numbers k such that A004394(k)-1 and A004394(k)+1 are twin primes. %C A353302 a(15) > 10^5, if it exists. %e A353302 3 is a term since the third superabundant number is A004394(3) = 4 and {4-1, 4+1} = {3, 5} is a twin primes pair. %t A353302 s = {}; abm = 0; k = 0; Do[ab = DivisorSigma[-1, n]; If[ab > abm, abm = ab; k++; If[PrimeQ[n - 1] && PrimeQ[n + 1], AppendTo[s, k]]], {n, 1, 10^6}]; s %Y A353302 Intersection of A353300 and A353301. %Y A353302 Cf. A001097, A004394, A068507, A321995. %K A353302 nonn,more %O A353302 1,1 %A A353302 _Amiram Eldar_, Apr 10 2022