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 A046469 #9 Jan 31 2023 08:48:18 %S A046469 0,1,2,3,4,5,6,7,8,9,343,736,1285,2187,2592,3125,3685,3972,4096,14641, %T A046469 15552,15632,15642,15645,15655,15656,15662,15667,15698,16384,17536, %U A046469 23328,32771,32785,37179,39369,39372,39382,43775,45927,45947,46660 %N A046469 Obtainable by applying +, * and exponentiation to its own digits. %H A046469 <a href="/index/Com#complexity">Index to sequences related to the complexity of n</a> %e A046469 343=(3+4)^3, 736=7+3^6, 1285=(1+2^8)*5, 2187=(2+1^8)^7, 2592=2^5*9^2, etc. %K A046469 base,nonn %O A046469 0,3 %A A046469 _David W. Wilson_, Aug 23 2000