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 A162467 #8 Dec 30 2012 02:43:56
%S A162467 0,10,20,30,40,50,60,70,80,90,891,941,2931,51070,147970,1330550,
%T A162467 1523870,75914061,30735249050,32036090950,90000000001,575605978451,
%U A162467 922898423231,21326410034240,31829906273560,93336794910541,39470358768890551
%N A162467 Numbers n such that the sum of all proper substrings of their decimal representation equals the reverse of n.
%C A162467 Here substrings are substrings of adjacent digits of length less than the number of digits of n, of which there are (d+2)*(d-1)/2=A000096(d-1), counted with multiplicity, where d=A055642(N).
%H A162467 Ray Chandler, <a href="/A162467/b162467.txt">Table of n, a(n) for n=1..38</a>
%F A162467 {n: A138953(n)=A004086(n)} - R. J. Mathar, Jul 06 2009
%e A162467 941 is in the list because 94 + 41 + 9 + 4 + 1 = 149.
%e A162467 51070 is in the list because 5107+1070+510+107+070+51+10+07+70+5+1+0+7+0=07015.
%Y A162467 Cf. A125303 (substrings without multiplicity). - R. J. Mathar, Jul 06 2009
%K A162467 nonn,base
%O A162467 1,2
%A A162467 _Claudio Meller_, Jul 04 2009
%E A162467 Keyword base added, 10 to 90 and 147970 added by _R. J. Mathar_, Jul 06 2009
%E A162467 0 and a(16)-a(38) from _Ray Chandler_, Jul 15 2009