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 A138481 #6 Apr 03 2014 11:35:08 %S A138481 130,230,430,530,630,730,1101,2210,10110,11200,23100,43100,53100, %T A138481 63100,211100,230100,311100,411100,430100,511100,530100,611100,630100, %U A138481 711100,1001100,2300100,4211000,4300100,5211000,5300100,6211000,6300100 %N A138481 Mutually-praising pairs excluding autobiographical numbers A046043. Version 1: both numbers in a pair have at most 10 digits. %H A138481 Martin Fuller, <a href="/A138481/b138481.txt">Table of n, a(n) for n = 1..74</a> %H A138481 Tanya Khovanova, <a href="http://arXiv.org/find/all/1/au:+khovanova/0/1/0/all/0/1">Autobiographical Numbers</a> %e A138481 130 and 1101 are a mutually-praising pair: 130 specifies a number with 1 digit equal to "0", 3 digit "1" and nothing else. 1101 specifies 1 digit "0", 1 digit "1", no digits "2" and 1 digit "3". %Y A138481 Cf. A046043, A138482. %K A138481 base,fini,full,nonn %O A138481 1,1 %A A138481 _Tanya Khovanova_, Mar 18 2008 %E A138481 More terms from _Joshua Zucker_, Mar 19 2008 and _Martin Fuller_, Mar 20 2008