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%I #20 Apr 10 2018 08:26:35
%S 1,4,10,21,35,49,66,89,117,150,190,237,283,321,359,406,463,530,608,
%T 693,771,834,892,960,1045,1148,1264,1383,1492,1583,1666,1758,1871,
%U 2006,2154,2304,2443,2565,2680,2804,2945,3104,3277,3455,3625,3781,3934,4094,4263
%N Coordination sequence T2 for Zeolite Code LTL.
%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="/A008139/b008139.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 G.f.: (1 + x)^3 * (1 - x + x^2) * (1 + 3*x^2 + x^3 + 2*x^4 + 2*x^5 + 5*x^6 + 2*x^7 + 7*x^8 + 2*x^9 + 5*x^10 + 2*x^11 + 2*x^12 + x^13 + 3*x^14 + x^16) / ((1 - x)^3 * (1 + x^2) * (1 + x^4) * (1 + x^3 + x^6) * (1 + x + x^2 + x^3 + x^4 + x^5 + x^6)). - _Colin Barker_, Dec 20 2015
%K nonn
%O 0,2
%A _Ralf W. Grosse-Kunstleve_