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 A085299 #5 Mar 14 2015 00:04:51 %S A085299 1,8,47,18,14,89,10,9,48,16,23,17,168,268,15,661,50,380,84,116,360, %T A085299 245,29,144,345,227,785,261,148,235,691,658,638,40,1023,674,1529,210, %U A085299 19,81,181,428,170,1130,2322,406,600,373,958,217 %N A085299 a(n) is the smallest number x such that A085298[x]=n, or 0 if no such number exists. %e A085299 a(13) = 168 means that 13 is the smallest exponent such that reversed[p(168)^13] = reversed[997^13] = 776831144302925059735912605306533496169 %e A085299 is prime if read in this direction and 13th prime-power if read backwards. %Y A085299 Cf. A085298, A057708, A058993, A056994, A059695, A003459, A007500, A055387, A061461, A068652. %K A085299 base,nonn %O A085299 1,2 %A A085299 _Labos Elemer_, Jun 24 2003