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 A166067 #19 Jun 30 2023 14:27:48 %S A166067 1,69,70,139,209,348,557,905,1462,2367,3829,6196,10025,16221,26246, %T A166067 42467,68713,111180,179893,291073,470966,762039,1233005,1995044, %U A166067 3228049,5223093,8451142,13674235,22125377,35799612,57924989,93724601,151649590 %N A166067 Fibonacci sequence beginning 1, 69. %H A166067 G. C. Greubel, <a href="/A166067/b166067.txt">Table of n, a(n) for n = 0..999</a> %H A166067 <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (1, 1). %F A166067 a(n) = a(n-1) + a(n-2). %F A166067 G.f.: (1+68*x)/(1-x-x^2). - _Philippe Deléham_, Oct 06 2009 %F A166067 a(n) = 68*A000045(n) + A000045(n+1). - _R. J. Mathar_, Oct 08 2009 %t A166067 CoefficientList[Series[(-68x-1)/(x^2+x-1),{x,0,40}],x] (* _Harvey P. Dale_, Mar 14 2011 *) %K A166067 nonn %O A166067 0,2 %A A166067 Submitted Oct 06 2009 by someone who later asked to have his name removed from the Author line