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 A172079 #12 Jul 01 2022 11:09:57 %S A172079 6,12,24,12,48,60,12,48,120,12,480,180,300,48,120,132,408,180,792,120, %T A172079 48,300,660,132,288,240,12,300,540,240,780,120,48,732,1260,1188,600, %U A172079 1092,408,432,1848,480 %N A172079 First differences of A181669. %t A172079 Differences[Select[6*Range[3000]-1,PrimeQ[#]&&PrimeOmega[#-1]==2&&AnyTrue[ {#+2,Sqrt[#+2]},PrimeQ]&]] (* _Harvey P. Dale_, Jul 01 2022 *) %Y A172079 Cf. A181669. %K A172079 nonn,easy %O A172079 1,1 %A A172079 _Giovanni Teofilatto_, Nov 19 2010 %E A172079 a(21) ff. corrected by _Georg Fischer_, Aug 31 2020