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 A008137 Coordination sequence T1 for Zeolite Code LTA and RHO. 0

%I

%S 1,4,9,17,28,42,60,81,105,132,162,196,233,273,316,362,412,465,521,580,

%T 642,708,777,849,924,1002,1084,1169,1257,1348,1442,1540,1641,1745,

%U 1852,1962,2076,2193,2313,2436,2562,2692,2825,2961,3100,3242,3388,3537,3689

%N Coordination sequence T1 for Zeolite Code LTA and RHO.

%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="http://cci.lbl.gov/~rwgk/EIS/CS.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 International Zeolite Association, <a href="http://www.iza-structure.org/databases/">Database of Zeolite Structures</a>

%F a(5*m+k) = 40*m^2 + 16*k*m + one of 5 numbers depending on k, 0<=k<5 (_N. J. A. Sloane_).

%p (1-x^2)*(1-x^4)*(1-x^6)/((1-x)^4*(1-x^3)*(1-x^5));

%K nonn,easy

%O 0,2

%A R. W. Grosse-Kunstleve (rwgk(AT)cci.lbl.gov)

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