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 A242374 #11 May 12 2014 22:08:32 %S A242374 1,1,3,4,5,6,7,7,8,8,9,9,9,9,10,10,10,10,11,11,11,11,11,11,12,12,12, %T A242374 12,12,12,12,12,13,13,13,13,13,13,13,13,13,13,13,14,14,14,14,14,14,14, %U A242374 14,14,14,14,14,14,14,15,15,15,15,15,15,15,15,15,15,15 %N A242374 Number of digits in the decimal expansion of n^8. %F A242374 a(n) = A055642(n^8) = A055642(A001016(n)). %e A242374 For n=1, a(1)=1 because 1^8=1, 1 digit. %e A242374 For n=9, a(9)=8 because 9^8=43046721, 8 digits. %o A242374 (PARI) a(n) = #Str(n^8); \\ _Michel Marcus_, May 12 2014 %K A242374 nonn,base,easy %O A242374 0,3 %A A242374 _Michelle Tu_, May 12 2014 %E A242374 More terms from _Michel Marcus_, May 12 2014