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 A382165 #10 Mar 26 2025 16:17:33 %S A382165 1,9,45,999,2223,4950,5050,5292,7272,142857,148149,187110,356643, %T A382165 466830,499500,500500,538461,627615,648648,681318,791505,818181, %U A382165 961038,994708,5555556,11111112,16590564,30884184,36363636,49995000,50005000,55474452,74747475,234567901,432432432,665188470,999999999,2020202020,3846956652,4132841328,4999950000,5000050000 %N A382165 Kaprekar numbers (A006886) that are divisible by the sum of their digits. %H A382165 Amiram Eldar, <a href="/A382165/b382165.txt">Table of n, a(n) for n = 1..5091</a> %H A382165 Shyam Sunder Gupta, <a href="https://doi.org/10.1007/978-981-97-2465-9_9">On Some Marvellous Numbers of Kaprekar</a>, Exploring the Beauty of Fascinating Numbers, Springer (2025) Ch. 9, 275-315. %Y A382165 Intersection of A005349 and A006886. %K A382165 nonn,base %O A382165 1,2 %A A382165 _N. J. A. Sloane_, Mar 26 2025