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 A173862 #31 Jun 16 2019 16:14:58
%S A173862 1,1,1,2,2,2,4,4,4,8,8,8,16,16,16,32,32,32,64,64,64,128,128,128,256,
%T A173862 256,256,512,512,512,1024,1024,1024,2048,2048,2048,4096,4096,4096,
%U A173862 8192,8192,8192,16384,16384,16384,32768,32768,32768,65536,65536,65536,131072,131072
%N A173862 a(n) = A158772(n-1)/21.
%C A173862 Triplicated A000079. Powers of 2 repeated 3 times.
%C A173862 a(n) is the number of ways of partitioning the set of the first n distinct positive Fibonacci numbers into two subsets whose sums differ at most by 1. a(6) = 2: 1,2,5,8/3,13; 1,2,13/3,5,8. - _Alois P. Heinz_, Jun 16 2019
%H A173862 G. C. Greubel, <a href="/A173862/b173862.txt">Table of n, a(n) for n = 1..1000</a>
%H A173862 <a href="/index/Rec">Index entries for linear recurrences with constant coefficients</a>, signature (0,0,2)
%F A173862 G.f. x*(1 + x + x^2)/(1 - 2*x^3). - _R. J. Mathar_, Nov 28 2011
%t A173862 Flatten[Table[c=2^n;{c,c,c},{n,0,20}]] (* _Harvey P. Dale_, Jul 20 2012 *)
%t A173862 CoefficientList[Series[x*(1 + x + x^2)/(1 - 2*x^3), {x,0,50}], x] (* _G. C. Greubel_, Apr 30 2017 *)
%o A173862 (PARI) a(n)=2^((n-1)\3) \\ _Charles R Greathouse IV_, Oct 03 2016
%Y A173862 Cf. A000045, A000079, A016116, A200672.
%K A173862 nonn,easy
%O A173862 1,4
%A A173862 _Paul Curtz_, Nov 26 2010
%E A173862 More terms from _Harvey P. Dale_, Jul 20 2012