%I #6 Apr 08 2018 16:04:10
%S 1,4,9,17,28,41,57,80,113,151,189,226,260,288,315,358,421,496,578,662,
%T 741,801,841,879,936,1027,1145,1274,1405,1526,1624,1690,1738,1806,
%U 1919,2075,2248,2421,2586,2719,2809,2875,2961,3097,3281,3500,3727
%N Coordination sequence T2 for Zeolite Code ETR.
%H R. W. Grosse-Kunstleve, <a href="/A301018/b301018.txt">Table of n, a(n) for n = 0..1000</a>
%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>
%K nonn
%O 0,2
%A _Sean A. Irvine_, Mar 17 2018