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 A005499 M3942 #30 Nov 23 2024 14:27:41
%S A005499 5,26,119,538,2310,9882,41715,175088,730626,3037510,12584726,52003792,
%T A005499 214401024,882233898,3624161175,14865947668,60898934250,249184153548,
%U A005499 1018532686314,4159265561360,16970015555220,69183689403686,281844056190294,1147419353238816,4668368905854840,18982659409726792
%N A005499 Triangulations of the disk G_{3,n}.
%D A005499 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H A005499 Andrew Howroyd, <a href="/A005499/b005499.txt">Table of n, a(n) for n = 0..500</a>
%H A005499 Jean-François Alcover, <a href="/A005499/a005499.txt">Mathematica program</a>
%H A005499 William G. Brown, <a href="http://dx.doi.org/10.1112/plms/s3-14.4.746">Enumeration of Triangulations of the Disk</a>, Proc. Lond. Math. Soc. s3-14 (1964) 746-768.
%H A005499 William G. Brown, <a href="/A002709/a002709.pdf">Enumeration of Triangulations of the Disk</a>, Proc. Lond. Math. Soc. s3-14 (1964) 746-768. [Annotated scanned copy]
%p A005499 A005499 := proc(n)
%p A005499 BrownG(3,n) ;
%p A005499 end proc: # take BrownG from A210696
%p A005499 seq(A005499(n),n=0..25) ; # _R. J. Mathar_, Mar 30 2012
%t A005499 (* See links *)
%Y A005499 Row n=3 of A262586.
%K A005499 nonn
%O A005499 0,1
%A A005499 _N. J. A. Sloane_
%E A005499 a(22) onwards from _Andrew Howroyd_, Nov 23 2024