%I #11 Apr 10 2018 08:26:36
%S 1,4,10,21,35,50,74,105,133,165,206,244,292,357,405,449,517,593,668,
%T 741,810,890,986,1089,1184,1266,1363,1483,1614,1721,1817,1951,2087,
%U 2229,2367,2479,2625,2788,2958,3112,3233,3404,3600,3793,3950,4090,4299
%N Coordination sequence T4 for Zeolite Code IFR.
%H R. W. Grosse-Kunstleve, <a href="/A024985/b024985.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 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 _Ralf W. Grosse-Kunstleve_