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Search: id:A008145
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| A008145 |
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Coordination sequence T2 for Zeolite Code MAZ. |
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+0
1
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| 1, 4, 10, 21, 36, 53, 74, 104, 138, 174, 212, 255, 302, 349, 408, 474, 542, 610, 680, 755, 836, 923, 1014, 1110, 1206, 1308, 1410, 1521, 1644, 1767, 1892, 2016, 2142, 2270, 2408, 2559, 2716, 2871, 3026, 3186, 3346, 3512, 3688, 3871, 4056, 4237, 4420, 4612
(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.: -(x^45+3*x^44+9*x^43+20*x^42+39*x^41+68*x^40+112*x^39+176*x^38+258*x^37+371*x^
36+497*x^35+666*x^34+835*x^33+1053*x^32+1253*x^31+1500*x^30+1708*x^29+1946*x^28
+2126*x^27+2317*x^26+2442*x^25+2549*x^24+2593*x^23+2593*x^22+2549*x^21+2442*x^
20+2317*x^19+2126*x^18+1946*x^17+1708*x^16+1500*x^15+1253*x^14+1053*x^13+835*x^
12+666*x^11+497*x^10+371*x^9+258*x^8+176*x^7+112*x^6+68*x^5+39*x^4+20*x^3+9*x^2
+3*x+1)/(x^7-1)/(x^9-x^8+x^7-x^6+x^5-x^4+x^3-x^2+x-1)/(x-1)/(x^10+x^9+x^8+x^7+x^\ 6
+x^5+x^4+x^3+x^2+x+1)/(x^18+2*x^16+3*x^14+4*x^12+4*x^10+4*x^8+4*x^6+3*x^4+2*x^2+\ 1);
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CROSSREFS
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Sequence in context: A008139 A038404 A024985 this_sequence A038407 A009894 A027370
Adjacent sequences: A008142 A008143 A008144 this_sequence A008146 A008147 A008148
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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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