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 A341828 #11 Mar 06 2021 09:24:36
%S A341828 6,12,2,4,12,4,2,8,4,8,8,2,4,2,2,16,4,4,4,6,4,8,2,2,10,4,2,16,6,2,2,
%T A341828 14,2,2,4,4,2,2,2,2,14,2,10,2,4,6,6,2,20,4,4,4,2,2,2,4,10,2,2,4,2,6,4,
%U A341828 2,14,10,6,6,4,10,2,2,8,4,4,2,2,2,10,10,8,2,4
%N A341828 Difference of consecutive odd squarefree semiprimes.
%o A341828 (PARI) lista(nn) ={my(r=15); forstep(k=17, nn, 2, if(bigomega(k)==2 && issquarefree(k), print1(k-r, ", "); r=k)); } \\ _Jinyuan Wang_, Mar 01 2021
%Y A341828 Cf. A006881, A046388.
%K A341828 nonn
%O A341828 1,1
%A A341828 _Ravi Bhandari_, Feb 20 2021
%E A341828 More terms from _Jinyuan Wang_, Mar 01 2021