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 A349833 #19 Jan 08 2022 15:40:39 %S A349833 0,2,10,14,22,24,28,36,38,44,50,58,60,62,66,68,74,76,82,84,92,94,96, %T A349833 98,106,110,118,120,122,132,134,136,140,154,156,158,162,170,176,178, %U A349833 186,196,198,206,210,214,216,222,228,234,244,246,252,258,260,262,264,268,274,284,286 %N A349833 Even numbers that are "generated" (in Kaprekar's sense) in all four bases 2, 4, 6, and 8. %C A349833 Using Max Alekseyev's PARI "Gen" program (see A010061), we run %C A349833 vector(500,k,length(Gen(k,2))), %C A349833 vector(500,k,length(Gen(k,4))), %C A349833 vector(500,k,length(Gen(k,6))), %C A349833 vector(500,k,length(Gen(k,8))), %C A349833 to find the numbers that are generated in bases 2, 4, 6, and 8, and then take the even numbers that are common to all four lists. %H A349833 N. J. A. Sloane, <a href="/A349833/b349833.txt">Table of n, a(n) for n = 1..2275</a> %Y A349833 Cf. A003052, A010061, A228082, A349829, A349830, A349831, A349832. %Y A349833 A230624 is a subsequence. %Y A349833 A row of A350601. %K A349833 nonn,base %O A349833 1,2 %A A349833 _N. J. A. Sloane_, Jan 07 2022