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 A144801 #38 May 19 2024 08:40:36
%S A144801 36990,37230,38670,43350,45390,14492490,14496810,14512170,14578050,
%T A144801 14579970,14630970,14655810,14663730,14685690,14733810,14741790,
%U A144801 14753010,14758350,14761350,14779230,14779710,14780310,14784090,14801490,14807190,14807430,14818650
%N A144801 Integers having ideal digital mean up to base 6.
%C A144801 Subset of A031443, A144798, A144799 and A144800.
%C A144801 These numbers have digital mean dm(b, n) = (Sum_{i=1..d} 2*d_i - (b-1)) / (2*d) = 0, where d is the number of digits in the base b representation of n and d_i the individual digits, for 2 <= b <= 6.
%H A144801 Jason Yuen, <a href="/A144801/b144801.txt">Table of n, a(n) for n = 1..10000</a> (first 793 terms from Pontus von Brömssen)
%o A144801 (PARI) is(k,b) = my(d=digits(k,b)); vecsum(d)/#d == (b-1)/2;
%o A144801 isok(k) = is(k,2) && is(k,3) && is(k,4) && is(k,5) && is(k,6); \\ _Michel Marcus_, Aug 03 2023
%Y A144801 Cf. A007953, A008591, A031443, A144777, A144798, A144799, A144800, A144812, A364714.
%K A144801 base,nonn
%O A144801 1,1
%A A144801 _Reikku Kulon_, Sep 21 2008
%E A144801 Accidentally omitted terms added by _Reikku Kulon_, Sep 24 2008
%E A144801 a(24)-a(27) from _Pontus von Brömssen_, Aug 02 2023