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 A018878 #17 Jan 30 2017 12:20:22 %S A018878 0,1,2,5,9,7,3,23,13,42,10,18,58,78,14,25,6,34,81,61,26,11,35,47,63,2, %T A018878 113,85,27,86,115,65,87,49,277,37,66,21,158,5,67,283,12,9,286,51,287, %U A018878 91,289,122,29,69,123,39,22,93,221,7,222,125,94,223,53,126,71,3,95,127,226,17 %N A018878 a(n)^8 is smallest eighth power beginning with n. %C A018878 a(2)=2, because 2^8=256 is the first 8th power with the most significant decimal digit equal to 2; %C A018878 a(16)=6, because 6^8=1679616 is the first 8th power with two most significant decimal digits equal to 16. %H A018878 Seiichi Manyama, <a href="/A018878/b018878.txt">Table of n, a(n) for n = 0..10000</a> %F A018878 a(n^8) = n for n >= 0. - _Seiichi Manyama_, Jan 30 2017 %Y A018878 Cf. A018851 (k=2), A018852 (k=3), A018853 (k=4), A018872 (k=5), A018874 (k=6), A018876 (k=7), this sequence (k=8), A018880 (k=9), A018882 (k=10). %K A018878 nonn,base %O A018878 0,3 %A A018878 _David W. Wilson_ %E A018878 Added initial 0. - _Seiichi Manyama_, Jan 30 2017