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 A011261 #12 Jul 08 2025 02:06:31 %S A011261 1,3,6,8,7,3,8,1,0,6,6,4,2,2,0,1,6,7,4,8,4,2,3,6,7,7,8,8,6,6,4,0,2,9, %T A011261 6,5,3,0,4,9,7,8,6,9,7,9,8,1,9,0,8,2,5,9,9,3,4,9,9,2,0,2,4,3,0,2,7,7, %U A011261 4,4,9,2,9,5,9,9,3,5,1,6,0,4,8,5,9,7,5,8,8,5,5,5,6,0,3,0,0,0,9 %N A011261 Decimal expansion of 7th root of 9. %H A011261 Vincenzo Librandi, <a href="/A011261/b011261.txt">Table of n, a(n) for n = 1..5000</a> %t A011261 RealDigits[N[9^(1/7), 100]][[1]] (* _Vincenzo Librandi_, Mar 22 2013 *) %o A011261 (PARI) sqrtn(9,17) \\ _Charles R Greathouse IV_, Apr 15 2014 %K A011261 nonn,cons %O A011261 1,2 %A A011261 _N. J. A. Sloane_