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 A280733 #11 Jan 11 2017 11:50:18 %S A280733 122,133,144,155,166,177,188,199,236,248,2510,2612,2714,2816,2918, %T A280733 3412,3515,3618,3721,3824,3927,4520,4624,4728,4832,4936,5630,5735, %U A280733 5840,5945,6742,6848,6954,7856,7963,8972,11010,11111,11212,11313,11414,11515,11616,11717 %N A280733 Numbers whose digit string can be partitioned into three nonempty parts a < b <= c such that a*b = c. %C A280733 The parts may not start with 0. %H A280733 Lars Blomberg, <a href="/A280733/b280733.txt">Table of n, a(n) for n = 1..10000</a> %e A280733 For n = 3|4|12: 3 < 4 <= 12, and 3*4=12, so 3412 is a term. %e A280733 For n = 1|10|10: 1 < 10 <= 10, and 1*10=10, so 11010 is a term. %Y A280733 A subset of A280635 and A280732. %K A280733 nonn,base,easy %O A280733 1,1 %A A280733 _N. J. A. Sloane_, Jan 10 2017 %E A280733 More terms from _Lars Blomberg_, Jan 11 2017