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 A004229 #14 Oct 25 2023 07:40:37 %S A004229 0,3010,4771,6021,6990,7782,8451,9031,9542,10000,10414,10792,11139, %T A004229 11461,11761,12041,12304,12553,12788,13010,13222,13424,13617,13802, %U A004229 13979,14150,14314,14472,14624 %N A004229 a(n) = 10000*log_10(n) rounded to the nearest integer. %t A004229 Round[10000*Log10[Range[30]]] (* _Harvey P. Dale_, Aug 22 2018 *) %Y A004229 Cf. A004228, A004230. %Y A004229 Cf. A004220, A004223, A004226. %K A004229 nonn %O A004229 1,2 %A A004229 _N. J. A. Sloane_