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 A038400 #13 May 21 2022 14:01:47
%S A038400 44,45,75,76,98,99,116,117,147,148,171,172,242,243,244,245,332,333,
%T A038400 387,388,507,508,548,549,603,604,605,724,725,844,845,908,909,931,932,
%U A038400 963,964,1075,1076,1083,1084,1251,1252,1324,1325,1412,1413,1467,1468,1556,1557,1587,1588
%N A038400 List of pairs of consecutive numbers each with 6 divisors (duplicates removed).
%D A038400 David Wells, The Penguin Dictionary of Curious and Interesting Numbers, Penguin Books, p. 103.
%H A038400 Harvey P. Dale, <a href="/A038400/b038400.txt">Table of n, a(n) for n = 1..3000</a>
%t A038400 SequencePosition[DivisorSigma[0,Range[1600]],{6,6}]//Flatten//Union (* Requires Mathematica version 10 or later *) (* _Harvey P. Dale_, Aug 23 2017 *)
%Y A038400 Cf. A049103, A049104.
%K A038400 nonn
%O A038400 1,1
%A A038400 _Felice Russo_
%E A038400 More terms from _Olivier Gérard_