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 A094333 #17 Dec 05 2013 19:56:50 %S A094333 1,2,4,8,56,5152,17181920,479839479840,552587148319552587148320, %T A094333 370210294386175240152319370210294386175240152320 %N A094333 a(1) = 1, a(n) = least proper multiple of a(n-1) which is a concatenation of successive numbers. Terms with more than one digit must be a concatenation of at least two successive numbers. %H A094333 Paul Tek, <a href="/A094333/b094333.txt">Table of n, a(n) for n = 1..14</a> %e A094333 a(3) = 4 is the smallest proper multiple of 2 which is a concatenation of a (single) number. %e A094333 a(5) = 56 and a(6) = 5152 =56*92 is the concatenation of 51 and 52. %Y A094333 Cf. A035333, A094334, A225796. %K A094333 base,nonn %O A094333 1,2 %A A094333 _Amarnath Murthy_, May 16 2004 %E A094333 a(7), a(8) from _D. S. McNeil_, Mar 23 2009 %E A094333 a(9) from _Donovan Johnson_, Mar 09 2011 %E A094333 a(10) from _Paul Tek_, Jul 27 2013