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 A309449 #11 Aug 04 2019 14:56:09 %S A309449 6,2,5,5,4,0,2,1,5,0,4,4,0,2,3,0,6,4,3,1,6,2,2,6,4,2,0,6,0,4,5,2,1,2, %T A309449 0,2,0,3,1,4,5,1,6,3,2,5,1,2,2,4,1,1,2,0,2,5,2,2,3,4,2,2,6,1,2,1,6,4, %U A309449 1,0,5,5,2,3,2,2,1,1,3,3,5,4,2,5,3,5,3,2,1,5,3,2,3,1,0,6,1,3,1,6 %N A309449 Coefficients in 7-adic expansion of 6^(1/5). %H A309449 Robert Israel, <a href="/A309449/b309449.txt">Table of n, a(n) for n = 0..10000</a> %p A309449 op([1,3],padic:-rootp(x^5-6, 7, 101)); # _Robert Israel_, Aug 04 2019 %o A309449 (PARI) Vecrev(digits(truncate((6+O(7^100))^(1/5)), 7)) %Y A309449 Cf. A309454. %Y A309449 Digits of p-adic integers: %Y A309449 A309445 (7-adic, 2^(1/5)); %Y A309449 A309446 (7-adic, 3^(1/5)); %Y A309449 A309447 (7-adic, 4^(1/5)); %Y A309449 A309448 (7-adic, 5^(1/5)). %K A309449 nonn,base %O A309449 0,1 %A A309449 _Seiichi Manyama_, Aug 03 2019