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 A328738 #19 Dec 02 2019 13:52:59 %S A328738 48,54,60,66,70,72,78,80,84,88,90,96,98,100,102,104,108,110,112,114, %T A328738 126,128,130,132,135,136,138,140,147,150,152,156,162,165,168,174,180, %U A328738 182,190,192,195,196,198,200,210,222,224,225,228,230,232,234 %N A328738 Numbers k such that at least one of sopfr(k-1) and sopfr(k+1) is greater than or equal to 4*sopfr(k). %C A328738 k-1 or k+1 or both have sums of prime factors at least 4 times the sum of prime factors of k. %Y A328738 Cf. A001414, A328736, A328737. %K A328738 nonn %O A328738 1,1 %A A328738 _Robert Bilinski_, Oct 26 2019