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 A018880 #14 Jan 30 2017 12:20:56 %S A018880 0,1,4,9,7,2,16,21,59,46,6,17,22,8,29,63,38,137,23,3,14,109,141,11, %T A018880 184,86,4,52,87,188,113,68,19,191,148,32,149,193,9,54,7,117,91,152, %U A018880 118,71,33,92,154,332,43,2,93,201,26,121,261,94,73,122,34,44,264,57,123,343,74,344,16 %N A018880 a(n)^9 is smallest ninth power beginning with n. %H A018880 Seiichi Manyama, <a href="/A018880/b018880.txt">Table of n, a(n) for n = 0..10000</a> %F A018880 a(n^9) = n for n >= 0. - _Seiichi Manyama_, Jan 30 2017 %Y A018880 Cf. A018851 (k=2), A018852 (k=3), A018853 (k=4), A018872 (k=5), A018874 (k=6), A018876 (k=7), A018878 (k=8), this sequence (k=9), A018882 (k=10). %K A018880 nonn,base %O A018880 0,3 %A A018880 _David W. Wilson_ %E A018880 Added initial 0. - _Seiichi Manyama_, Jan 30 2017