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A008041
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Coordination sequence T1 for Zeolite Code ATT.
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1
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1, 4, 9, 18, 33, 52, 73, 96, 123, 158, 199, 239, 280, 329, 383, 438, 498, 564, 633, 704, 778, 857, 941, 1029, 1122, 1219, 1316, 1415, 1522, 1636, 1753, 1871, 1990, 2115, 2248, 2383, 2519, 2661, 2808, 2957, 3110, 3268, 3429, 3593, 3762, 3937, 4115, 4293
(list;
graph;
refs;
listen;
history;
text;
internal format)
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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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FORMULA
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G.f.: (1 + x) * (1 + 2*x + 5*x^2 + 10*x^3 + 17*x^4 + 25*x^5 + 34*x^6 + 40*x^7 + 46*x^8 + 48*x^9 + 46*x^10 + 40*x^11 + 34*x^12 + 25*x^13 + 17*x^14 + 10*x^15 + 5*x^16 + 2*x^17 + x^18) / ((1 - x)^3 * (1 - x + x^2) * (1 + x^2) * (1 + x + x^2) * (1 + x + x^2 + x^3 + x^4) * (1 + x + x^2 + x^3 + x^4 + x^5 + x^6)). - Colin Barker, Dec 18 2015
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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