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 A177940 #9 Jul 18 2018 11:57:02
%S A177940 2,1,3,4,8,3,1,4,6,0,6,7,4,1,5,7,3,0,3,3,7,0,7,8,6,5,1,6,8,5,3,9,3,2,
%T A177940 5,8,4,2,6,9,6,6,2,9,2,1,3,4,8,3,1,4,6,0,6,7,4,1,5,7,3,0,3,3,7,0,7,8,
%U A177940 6,5,1,6,8,5,3,9,3,2,5,8,4,2,6,9,6,6,2,9,2,1,3,4,8,3,1,4,6,0,6,7,4,1,5,7,3
%N A177940 Decimal expansion of 190/89.
%F A177940 equals sum_{n=0..infinity} A000032(n)/10^n.
%e A177940 The sum of the shifted Lucas numbers begins:
%e A177940 2
%e A177940 0.1
%e A177940 0.03
%e A177940 0.004
%e A177940 0.0007
%e A177940 0.00011
%e A177940 0.000018
%e A177940 .......29
%e A177940 ---------- +
%e A177940 2.134831...
%t A177940 RealDigits[190/89,10,120][[1]] (* _Harvey P. Dale_, Jul 18 2018 *)
%o A177940 (PARI) 190/89. \\ _Charles R Greathouse IV_, Apr 25 2016
%Y A177940 Cf. A000032, A021093.
%K A177940 nonn,cons
%O A177940 1,1
%A A177940 _Mark Dols_, May 15 2010
%E A177940 Keyword:cons added, formula and offset adjusted - _R. J. Mathar_, May 19 2010