%I #23 Apr 10 2018 08:26:35
%S 1,4,8,18,32,52,74,100,128,162,204,244,286,340,396,450,512,580,650,
%T 724,800,882,972,1060,1150,1252,1356,1458,1568,1684,1802,1924,2048,
%U 2178,2316,2452,2590,2740,2892,3042,3200,3364,3530,3700,3872,4050,4236,4420
%N Coordination sequence T2 for Zeolite Code EDI.
%D W. M. Meier, D. H. Olson and Ch. Baerlocher, Atlas of Zeolite Structure Types, 4th Ed., Elsevier, 1996
%H R. W. Grosse-Kunstleve, <a href="/A008085/b008085.txt">Table of n, a(n) for n = 0..1000</a>
%H R. W. Grosse-Kunstleve, <a href="/A005897/a005897.html">Coordination Sequences and Encyclopedia of Integer Sequences</a>
%H R. W. Grosse-Kunstleve, G. O. Brunner and N. J. A. Sloane, <a href="http://neilsloane.com/doc/ac96cs/">Algebraic Description of Coordination Sequences and Exact Topological Densities for Zeolites</a>, Acta Cryst., A52 (1996), pp. 879-889.
%H Sean A. Irvine, <a href="/A008000/a008000_1.pdf">Generating Functions for Coordination Sequences of Zeolites, after Grosse-Kunstleve, Brunner, and Sloane</a>
%H International Zeolite Association, <a href="http://www.iza-structure.org/databases/">Database of Zeolite Structures</a>
%F a(12*m+k) = 288*m^2 + 48*k*m + [ -2, 4, 12, 18, 32, 52, 74, 100, 128, 162, 204, 244 ], 0<=k<12. - _N. J. A. Sloane_
%F G.f.: (1+2*x+2*x^2+7*x^3+3*x^4+10*x^5-2*x^6+5*x^7-8*x^8+4*x^9) / ((1-x)^3 * (1+x^2) * (1+x+x^2)). - _Colin Barker_, Dec 20 2015
%K nonn,easy
%O 0,2
%A _Ralf W. Grosse-Kunstleve_