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A008038
Coordination sequence T1 for Zeolite Code ATS.
1
1, 4, 10, 19, 30, 46, 67, 93, 124, 154, 189, 232, 277, 325, 374, 428, 490, 557, 625, 690, 763, 844, 930, 1021, 1105, 1194, 1294, 1399, 1510, 1616, 1724, 1840, 1964, 2095, 2220, 2350, 2485, 2625, 2776, 2920, 3069, 3226, 3385, 3553, 3716, 3884, 4060, 4241
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)^2 * (1 + x + 4*x^2 + 3*x^3 + 8*x^4 + 7*x^5 + 10*x^6 + 10*x^7 + 9*x^8 + 8*x^9 + 7*x^10 + 4*x^11 + x^12 + x^13 - 2*x^15) / ((1 - x)^3 * (1 - x + x^2) * (1 + x + x^2) * (1 + x + x^2 + x^3 + x^4)^2). - Colin Barker, Dec 18 2015
CROSSREFS
Sequence in context: A241239 A057312 A219965 * A301248 A160425 A152946
KEYWORD
nonn
STATUS
approved