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 A341007 #13 Feb 22 2021 10:36:16 %S A341007 6,15,24,33,42,51,60,105,118,127,149,150,172,181,194,204,217,222,235, %T A341007 240,253,271,303,325,330,347,352,369,374,396,402,419,420,437,455,473, %U A341007 491,501,510,523,532,545,554,567,576,589,598,600,639,657,675,693,712,721,734,743,756 %N A341007 Numbers whose sum of even digits and sum of odd digits differ by 6. %H A341007 Carole Dubois, <a href="/A341007/b341007.txt">Table of n, a(n) for n = 1..5001</a> %t A341007 Select[Range[1000], Abs[Plus @@ Select[(d = IntegerDigits[#]), OddQ] - Plus @@ Select[d, EvenQ]] == 6 &] (* _Amiram Eldar_, Feb 02 2021 *) %Y A341007 Cf. A036301 (sums are equal), A341002 to A341010 (sums differ by 1 to 9). %K A341007 base,nonn %O A341007 1,1 %A A341007 _Eric Angelini_ and _Carole Dubois_, Feb 02 2021