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A008047
Coordination sequence T1 for Zeolite Code BIK.
1
1, 4, 12, 23, 43, 71, 97, 128, 179, 226, 264, 323, 404, 467, 518, 602, 719, 800, 851, 967, 1131, 1215, 1266, 1426, 1628, 1716, 1772, 1965, 2215, 2313, 2353, 2590, 2903, 2988, 3016, 3313, 3672, 3749, 3774, 4112, 4531, 4610, 4603, 4997, 5495, 5545, 5514, 5984
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.: (2*x^15 + x^14 - 12*x^12 - 31*x^11 - 67*x^10 - 101*x^9 - 128*x^8 - 132*x^7 - 120*x^6 - 89*x^5 - 59*x^4 - 29*x^3 - 14*x^2 - 4*x - 1) / ((x - 1)^3 * (x + 1) * (x^2 + 1)^3 * (x^2 + x + 1)^2). - Colin Barker, Apr 23 2014
CROSSREFS
Sequence in context: A008242 A008189 A009905 * A008065 A321685 A156678
KEYWORD
nonn
STATUS
approved