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 A187208 #16 Nov 07 2022 12:12:59
%S A187208 1,2,4,8,12,16,20,32,36,48,64,80,108,112,128,156,192,204,220,252,256,
%T A187208 260,272,304,320,324,368,396,448,476,484,512,544,608,656,660,688,768,
%U A187208 972,1008,1024,1044,1120,1184,1248,1280,1300,1332,1476,1764,1792,1908
%N A187208 Numbers such that the last of the absolute differences of divisors is 1.
%C A187208 Numbers n such that A187203(n) = 1.
%C A187208 A000079 is a subsequence (powers of 2). [_Reinhard Zumkeller_, Aug 02 2011]
%H A187208 Reinhard Zumkeller, <a href="/A187208/b187208.txt">Table of n, a(n) for n = 1..1000</a>
%t A187208 lad1Q[n_]:=Nest[Abs[Differences[#]]&,Divisors[n],DivisorSigma[0,n]-1]=={1}; Select[Range[2000],lad1Q] (* _Harvey P. Dale_, Nov 07 2022 *)
%o A187208 (Haskell)
%o A187208 import Data.List (elemIndices)
%o A187208 a187208 n = a187208_list !! (n-1)
%o A187208 a187208_list = map (+ 1) $ elemIndices 1 $ map a187203 [1..]
%o A187208 -- _Reinhard Zumkeller_, Aug 02 2011
%Y A187208 Cf. A027750, A187202, A187203, A187204, A187205.
%K A187208 nonn
%O A187208 1,2
%A A187208 _Omar E. Pol_, Aug 01 2011