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 A021127 #15 Jul 08 2025 08:03:20
%S A021127 0,0,8,1,3,0,0,8,1,3,0,0,8,1,3,0,0,8,1,3,0,0,8,1,3,0,0,8,1,3,0,0,8,1,
%T A021127 3,0,0,8,1,3,0,0,8,1,3,0,0,8,1,3,0,0,8,1,3,0,0,8,1,3,0,0,8,1,3,0,0,8,
%U A021127 1,3,0,0,8,1,3,0,0,8,1,3,0,0,8,1,3,0,0,8,1,3,0,0,8,1,3,0,0,8,1
%N A021127 Decimal expansion of 1/123.
%H A021127 <a href="/index/Rec#order_05">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 1).
%t A021127 realDigitsRecip[123] (* The realDigitsRecip program is at A021200 *) (* _Harvey P. Dale_, Aug 26 2024 *)
%t A021127 PadRight[{},120,{0,0,8,1,3}] (* _Harvey P. Dale_, Aug 26 2024 *)
%K A021127 nonn,cons
%O A021127 0,3
%A A021127 _N. J. A. Sloane_