%I
%S 1,4,11,20,27,43,73,99,117,147,198,246,281,325,377,428,491,567,645,
%T 712,766,843,949,1039,1109,1199,1325,1446,1527,1614,1750,1888,1991,
%U 2100,2251,2407,2523,2649,2823,2977,3098,3256,3463,3641,3751,3898,4129
%N Coordination sequence T4 for Zeolite Code IWR.
%H R. W. GrosseKunstleve, <a href="/A301093/b301093.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 GrosseKunstleve, Brunner, and Sloane</a>
%H International Zeolite Association, <a href="http://www.izastructure.org/databases/">Database of Zeolite Structures</a>
%K nonn
%O 0,2
%A _Sean A. Irvine_, Mar 18 2018
