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 A069027 #10 Aug 15 2022 12:59:45
%S A069027 1,2,4,8,64,128,256,2048,4096,8192,16384,32768,524288,1048576,8388608,
%T A069027 268435456,2147483648,4294967296,8589934592,68719476736,274877906944,
%U A069027 549755813888,281474976710656,1125899906842624,2251799813685248
%N A069027 Powers of 2 with strictly increasing sum of digits.
%H A069027 Seiichi Manyama, <a href="/A069027/b069027.txt">Table of n, a(n) for n = 1..223</a>
%H A069027 <a href="/index/Di#divseq">Index to divisibility sequences</a>
%t A069027 DeleteDuplicates[Table[{2^n,Total[IntegerDigits[2^n]]},{n,0,60}],GreaterEqual[ #1[[2]],#2[[2]]]&][[All,1]] (* _Harvey P. Dale_, Aug 15 2022 *)
%Y A069027 Cf. A069028, A069029.
%K A069027 nonn,base
%O A069027 1,2
%A A069027 _Amarnath Murthy_, Apr 02 2002
%E A069027 More terms from Larry Reeves (larryr(AT)acm.org), Jun 26 2002