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A008042
Coordination sequence T2 for Zeolite Code ATT.
1
1, 4, 10, 21, 34, 48, 70, 100, 130, 159, 194, 236, 282, 332, 384, 439, 500, 564, 630, 702, 780, 861, 944, 1030, 1120, 1214, 1314, 1421, 1530, 1636, 1746, 1868, 1994, 2119, 2248, 2382, 2520, 2662, 2808, 2957, 3110, 3268, 3430, 3596, 3764, 3935, 4112, 4294
OFFSET
0,2
REFERENCES
W. M. Meier, D. H. Olson and Ch. Baerlocher, Atlas of Zeolite Structure Types, 4th Ed., Elsevier, 1996
FORMULA
G.f.: (1 + x) * (1 + x + 4*x^2 + 4*x^3 + 4*x^4 + 4*x^5 + 4*x^6 + x^7 + x^8) * (1 + x + x^2 + 2*x^3 + 2*x^4 + 3*x^5 + 2*x^6 + 2*x^7 + x^8 + x^9 + x^10) / ((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 20 2015
CROSSREFS
Sequence in context: A300741 A301127 A009919 * A049486 A301130 A008139
KEYWORD
nonn
STATUS
approved