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 A152210 #8 Mar 31 2012 14:43:40 %S A152210 1,2,6,250488,279786,1060566,1414088,1767610,2447460,10031652, %T A152210 10356624,50373066,155962698,193715622,375287934,759659778,3125214762, %U A152210 3252158280,21173281128,22937721222,104101965546,164092928742,284358161736 %N A152210 a(1)=1; thereafter a(n) is smallest number > a(n-1) such that the sum a(1)+...+a(n) divides the concatenation a(1)...a(n). %C A152210 See A151995 for the nonmonotonic version. %e A152210 1+2 (=3) divides 12 --> HIT %e A152210 1+2+3 (=6) does not divide 123 %e A152210 1+2+4 (=7) does not divide 124 %e A152210 1+2+5 (=8) does not divide 125 %e A152210 1+2+6 (=9) divides 126 --> HIT %e A152210 ... %Y A152210 Cf. A151995, A166064, A165770, A165771. %K A152210 nonn,base %O A152210 1,2 %A A152210 _N. J. A. Sloane_, Oct 07 2009, based on a posting to the Sequence Fans Mailing List by _Eric Angelini_, Sep 29 2009 %E A152210 Corrected by Zak Seidov, Oct 08 2009 %E A152210 a(14)-a(20) from _Donovan Johnson_, Jul 20 2010 %E A152210 a(21)-a(23) from _Max Alekseyev_, Jun 18 2011