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Search: id:A008144
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| A008144 |
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Coordination sequence T1 for Zeolite Code MAZ. |
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+0
1
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| 1, 4, 10, 20, 35, 54, 78, 104, 134, 171, 210, 255, 303, 355, 413, 472, 535, 605, 680, 758, 838, 923, 1016, 1107, 1202, 1311, 1418, 1525, 1640, 1759, 1883, 2009, 2143, 2284, 2420, 2563, 2714, 2860, 3017, 3185, 3348, 3516, 3691, 3869, 4048, 4232, 4432, 4627
(list; graph; listen)
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OFFSET
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0,2
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REFERENCES
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W. M. Meier, D. H. Olson and Ch. Baerlocher, Atlas of Zeolite Structure Types, 4th Ed., Elsevier, 1996
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LINKS
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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.
International Zeolite Association, Database of Zeolite Structures
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MAPLE
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G.f.: -(2*x^47-2*x^46+5*x^45-x^44+15*x^43+13*x^42+46*x^41+58*x^40+123*x^39+162*x^38+
269*x^37+352*x^36+511*x^35+644*x^34+852*x^33+1031*x^32+1275*x^31+1480*x^30+1730
*x^29+1928*x^28+2150*x^27+2306*x^26+2458*x^25+2542*x^24+2600*x^23+2593*x^22+
2547*x^21+2449*x^20+2309*x^19+2140*x^18+1932*x^17+1721*x^16+1484*x^15+1268*x^14
+1038*x^13+846*x^12+653*x^11+505*x^10+362*x^9+263*x^8+172*x^7+115*x^6+67*x^5+39
*x^4+19*x^3+9*x^2+3*x+1)/(x^23-x^22+3*x^21-3*x^20+5*x^19-5*x^18+7*x^17-7*x^16+9
*x^15-9*x^14+10*x^13-10*x^12+10*x^11-10*x^10+9*x^9-9*x^8+7*x^7-7*x^6+5*x^5-5*x^
4+3*x^3-3*x^2+x-1)/(x^11-1)/(x^5-x^4+x-1)/(x^6+x^5+x^4+x^3+x^2+x+1)
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CROSSREFS
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Sequence in context: A102533 A008033 A047954 this_sequence A038406 A127764 A138778
Adjacent sequences: A008141 A008142 A008143 this_sequence A008145 A008146 A008147
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KEYWORD
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nonn,easy
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AUTHOR
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R. W. Grosse-Kunstleve (rwgk(AT)cci.lbl.gov)
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