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 A074164 #11 Sep 24 2018 16:53:14 %S A074164 12,13,15,17,106,107,108,109,1099 %N A074164 Smallest k such that R(k) > n*k, where R(k) is the digit reversal of k (A004086) (the reversal of 10 is taken to be 01 = 1, etc.). %C A074164 As R(k) doesn't increase the number of digits, R(k)<10k and so the sequence is complete. - _Sascha Kurz_, Jan 15 2003 %e A074164 a(3) = 15, 51 > 3*15, a(3) is not 14 as 41 < 42 = 3*14. a(12) = 430 > 12*34. %e A074164 a(4) = 17 as 71 > 17*4 but 61 is < 16*4. %p A074164 P := proc(Nlo, Nhi,Klo,Khi) local A::list,k,n,d,s; d := (X::posint)->convert(X,base,10):s := (L::list)->sum(L[i]*10^(nops(L)-i),i=1..nops(L)):k := Klo:A := [seq(0,i=1..Nhi-Nlo+1)]: for n from Nlo to Nhi do while k<Khi and s(d(k))<=n*k do k := k+1 od: A[n-Nlo+1] := k; od: return A; end proc; # Francois Jooste (phukraut(AT)hotmail.com), Oct 23 2002 %Y A074164 Cf. A074163. %K A074164 base,nonn,fini,full %O A074164 1,1 %A A074164 _Amarnath Murthy_, Aug 30 2002 %E A074164 Edited by _Sascha Kurz_, Jan 15 2003 %E A074164 Edited by _N. J. A. Sloane_ at the suggestion of _Andrew S. Plewe_, May 21 2007