%I #15 Sep 08 2022 08:46:21
%S 87,101,129,185,297,521,969,1865,3657,7241,14409,28745,57417,114761,
%T 229449,458825,917577,1835081,3670089,7340105,14680137,29360201,
%U 58720329,117440585,234881097,469762121,939524169,1879048265,3758096457,7516192841,15032385609,30064771145
%N a(n) = 14*2^n + 73.
%C For n>=1, a(n) is the number of edges of the first type of dendrimer nanostar G[n], shown pictorially in the Iranmanesh et al. reference (Fig. 1).
%H A. Iranmanesh, N. A. Gholami, <a href="https://hrcak.srce.hr/28365">Computing the Szeged index of two type dendrimer nanostars</a>, Croatica Chemica Acta, 81, No. 2, 2008, 299-303.
%H <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (3,-2).
%F G.f.: (87 - 160*x)/((1-x)(1-2*x)). - _Vincenzo Librandi_, May 30 2018
%p seq(14*2^n+73, n = 0..40);
%t Table[14 2^n + 73, {n, 0, 35}] (* _Vincenzo Librandi_, May 30 2018 *)
%t LinearRecurrence[{3,-2},{87,101},40] (* _Harvey P. Dale_, Dec 07 2019 *)
%o (Magma) [14*2^n+73: n in [0..35]]; // _Vincenzo Librandi_, May 30 2018
%Y Cf. A305265, A305267, A305268.
%K nonn,easy
%O 0,1
%A _Emeric Deutsch_, May 29 2018