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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.

A104693 Numbers n such that in n^3, number of odd digits is larger than number of even digits.

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%I A104693 #10 Dec 10 2024 08:58:56
%S A104693 1,5,7,8,9,11,13,15,17,23,25,26,27,28,31,33,34,37,39,43,45,46,48,49,
%T A104693 51,55,56,57,58,59,71,73,77,79,81,82,83,91,95,97,98,99,101,103,105,
%U A104693 106,108,109,110,111,115,117,119,121,125,128,133,136,137,146,147
%N A104693 Numbers n such that in n^3, number of odd digits is larger than number of even digits.
%H A104693 Vincenzo Librandi, <a href="/A104693/b104693.txt">Table of n, a(n) for n = 1..1000</a>
%t A104693 odedQ[n_]:=Module[{idn3=IntegerDigits[n^3]},Count[idn3,_?EvenQ]<Count[ idn3,_?OddQ]]; Select[Range[200],odedQ] (* _Harvey P. Dale_, May 16 2012 *)
%Y A104693 Cf. A104639, A104640, A104641, A104692, A104694, A104695.
%K A104693 easy,nonn,base
%O A104693 1,2
%A A104693 _Zak Seidov_, Mar 18 2005
%E A104693 More terms from _Harvey P. Dale_, May 16 2012