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 A177367 #9 May 01 2013 21:13:45 %S A177367 8,18,1128,311238,51222348,615233141558,91625324451668, %T A177367 11182634465467819,1519273747576179829,181112838495866710859, %U A177367 1023112293941151067715879,30301152113104135116107168109,80411162153114155136117178119,90541172173134185156137198129,100631192203154215166167218159 %N A177367 a(n) contains the nonzero frequencies f(d) of digits d=0 .. 9 in all terms up to a(n-1) in concatenated form sorted with respect to d: f(0)//0//f(1)//1//...//f(9)//9. Initial term a(1)=8. %C A177367 For a Mathematica program, see A177360 (you have to slightly modify it) [From Jasper Mulder (jasper.mulder(AT)planet.nl), Jun 04 2010] %H A177367 J. Mulder, <a href="/A177367/b177367.txt">Table of n, a(n) for n = 1..25000</a> %e A177367 Eight; one eight; one one, two eights; three ones, one two, three eights; five ones, two twos, two threes, four eights; six ones, five twos, three threes, one four, one five, five eights; etc. %Y A177367 Cf. A060857, A177359 - A177368. %K A177367 easy,nonn,base %O A177367 1,1 %A A177367 _Paolo P. Lava_ and _Giorgio Balzarotti_, May 10 2010 %E A177367 Terms corrected using values in b-file. - _N. J. A. Sloane_, Oct 05 2010