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 A119299 #27 Mar 04 2019 10:38:52
%S A119299 0,8,195,3763,47174,558842,6541723,79273100,882188472,9770202402,
%T A119299 106927984586,1198303968170
%N A119299 Total number of 8's digits in the first 10^n primes.
%e A119299 At a(2)=8 there are 8 8's digits in the first 10^2 primes.
%p A119299 A119299 := proc(n) option remember: local k,s,lim: if(n=0)then return 0:fi: lim:=10^n: s:=procname(n-1): for k from 10^(n-1)+1 to lim do s:=s+nops([SearchAll("8",convert(ithprime(k),string))]): od: return s: end: seq(A119299(n),n=1..4); # _Nathaniel Johnston_, May 09 2011
%t A119299 Table[Total[DigitCount[#,10,8]&/@Prime[Range[10^n]]],{n,7}] (* _Harvey P. Dale_, Apr 05 2011 *)
%Y A119299 Cf. A119290, A119291, A119292, A119293, A119294, A119295, A119296, A119297, A119298, A119300.
%K A119299 more,nonn,base
%O A119299 1,2
%A A119299 _Enoch Haga_, May 13 2006
%E A119299 Offset changed from 0 to 1 by _Nathaniel Johnston_, May 09 2011
%E A119299 a(8)-a(11) from _Robert Price_, Nov 05 2013
%E A119299 a(12) from _Marek Hubal_, Mar 04 2019