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 A010067 #17 Nov 28 2020 03:57:16 %S A010067 1,3,5,12,19,26,33,40,42,49,56,63,70,77,79,86,93,100,107,114,116,123, %T A010067 130,137,144,151,153,160,167,174,181,188,190,197,204,211,218,229,236, %U A010067 243,250,257,259,266,273,280,287,294,296,303,310,317,324,331,333,340,347 %N A010067 Base 6 self or Colombian numbers (not of form k + sum of base 6 digits of k). %D A010067 Steven R. Finch, Mathematical Constants, Cambridge, 2003, Section 2.24, pp. 179-180. %D A010067 József Sándor and Borislav Crstici, Handbook of Number theory II, Kluwer Academic Publishers, 2004, Chapter 4, p. 384-386. %H A010067 Amiram Eldar, <a href="/A010067/b010067.txt">Table of n, a(n) for n = 1..10000</a> %H A010067 <a href="/index/Coi#Colombian">Index entries for Colombian or self numbers and related sequences</a> %t A010067 s[n_] := n + Plus @@ IntegerDigits[n, 6]; m = 350; Complement[Range[m], Array[s, m]] (* _Amiram Eldar_, Nov 28 2020 *) %Y A010067 Cf. A003052, A010061, A010064, A010070, A053827. %K A010067 nonn,base %O A010067 1,2 %A A010067 _Leonid Broukhis_ %E A010067 More terms from _Amiram Eldar_, Nov 28 2020