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 A171677 #23 May 27 2024 02:41:09
%S A171677 7,5,7,4,2,4,1,8,1,7,5,7,4,2,4,1,8,1,7,5,7,4,2,4,1,8,1,7,5,7,4,2,4,1,
%T A171677 8,1,7,5,7,4,2,4,1,8,1,7,5,7,4,2,4,1,8,1,7,5,7,4,2,4,1,8,1,7,5,7,4,2,
%U A171677 4,1,8,1,7,5,7,4,2,4,1,8,1,7,5,7,4,2,4,1,8,1
%N A171677 Period 9:repeat 7,5,7,4,2,4,1,8,1.
%C A171677 Represents also the decimal expansion of 252474727/333333333.
%C A171677 Contains the same set of numbers as A141425.
%H A171677 <a href="/index/Rec#order_09">Index entries for linear recurrences with constant coefficients</a>, signature (0,0,0,0,0,0,0,0,1)
%F A171677 a(n) = A165563(n+1) mod 9.
%F A171677 G.f.: ( -7-5*x-7*x^2-4*x^3-2*x^4-4*x^5-x^6-8*x^7-x^8 ) / ( (x-1) *(1+x+x^2) *(x^6+x^3+1) ). - _R. J. Mathar_, Mar 08 2011
%t A171677 PadRight[{},80,{7,5,7,4,2,4,1,8,1}] (* _Harvey P. Dale_, Aug 27 2019 *)
%Y A171677 Cf. A165568.
%K A171677 nonn,easy
%O A171677 0,1
%A A171677 _Paul Curtz_, Dec 15 2009
%E A171677 More terms from _Jinyuan Wang_, Feb 26 2020