A008001 Coordination sequence T1 for Zeolite Code AEI.

1, 4, 9, 17, 29, 45, 64, 85, 111, 143, 177, 213, 253, 297, 345, 396, 449, 506, 568, 633, 702, 774, 847, 925, 1008, 1094, 1184, 1276, 1371, 1472, 1577, 1684, 1793, 1906, 2024, 2145, 2269, 2396, 2526, 2660, 2798, 2941, 3088, 3236, 3387, 3544, 3704, 3866, 4032

Offset

0,2

References

W. M. Meier, D. H. Olson and Ch. Baerlocher, Atlas of Zeolite Structure Types, 4th Ed., Elsevier, 1996

Links

R. W. Grosse-Kunstleve, Table of n, a(n) for n = 0..1000

R. W. Grosse-Kunstleve, Coordination Sequences and Encyclopedia of Integer Sequences

R. W. Grosse-Kunstleve, G. O. Brunner and N. J. A. Sloane, Algebraic Description of Coordination Sequences and Exact Topological Densities for Zeolites, Acta Cryst., A52 (1996), pp. 879-889.

Sean A. Irvine, Generating Functions for Coordination Sequences of Zeolites, after Grosse-Kunstleve, Brunner, and Sloane

International Zeolite Association, Database of Zeolite Structures

Maple

(1-x)*(1+7*x^2+13*x^3+22*x^4+33*x^5+45*x^6+57*x^7+71*x^8+85*x^9+
99*x^10+111*x^11+123*x^12+132*x^13+139*x^14+142*x^15+143*x^16+
142*x^17+139*x^18+132*x^19+123*x^20+111*x^21+99*x^22+85*x^23+
71*x^24+3*x+57*x^25+45*x^26+33*x^27+22*x^28+7*x^30+3*x^31+x^32+
13*x^29)*(x+1)^2/(1-x^3)/(1-x^5)/(1-x^11)/(1-x^16);

Crossrefs

Sequence in context: A008066 A008026 A009865 * A008123 A008027 A008003

Adjacent sequences: A007998 A007999 A008000 * A008002 A008003 A008004

Keyword

nonn,easy

Author

Ralf W. Grosse-Kunstleve

Status

approved