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 A290794 #13 Aug 11 2017 23:58:05 %S A290794 1,3,2,0,4,1,1,0,3,6,0,0,6,1,4,3,3,2,6,4,5,1,1,1,4,3,6,5,3,4,0,4,2,5, %T A290794 5,1,0,0,2,6,6,5,1,1,2,6,5,3,6,3,2,4,4,4,2,0,0,5,2,0,4,1,5,5,2,0,2,3, %U A290794 4,6,0,6,3,5,1,3,6,4,6,4,1,4,0,2,3,2,3,3 %N A290794 Coefficients in 7-adic expansion of sqrt(-6). %H A290794 Seiichi Manyama, <a href="/A290794/b290794.txt">Table of n, a(n) for n = 0..10000</a> %o A290794 (PARI) Vecrev(digits(lift(sqrt(-6+O(7^99))), 7)) %Y A290794 Cf. A290795, A290800. %K A290794 nonn %O A290794 0,2 %A A290794 _Seiichi Manyama_, Aug 10 2017