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A009923
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Coordination sequence for CaF2(1), Ca position.
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1
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1, 8, 36, 78, 140, 230, 308, 438, 572, 710, 884, 1086, 1260, 1502, 1748, 1982, 2268, 2582, 2852, 3206, 3564, 3894, 4292, 4718, 5084, 5550, 6020, 6446, 6956, 7494, 7956, 8534, 9116, 9638, 10260, 10910, 11468, 12158, 12852, 13470, 14204, 14966
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OFFSET
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0,2
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REFERENCES
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Gmelin Handbook of Inorg. and Organomet. Chem., 8th Ed., 1994, TYPIX search code (225) cF12.
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LINKS
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FORMULA
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G.f.: -(6*x^9-5*x^8+8*x^7+29*x^6+82*x^5+88*x^4+68*x^3+35*x^2+8*x+1) / ((x-1)^3*(x+1)*(x^2+x+1)^2). - Colin Barker, Dec 12 2012
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MATHEMATICA
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CoefficientList[Series[-(6 x^9 - 5 x^8 + 8 x^7 + 29 x^6 + 82 x^5 + 88 x^4 + 68 x^3 + 35 x^2 + 8 x + 1)/((x - 1)^3 (x + 1) (x^2 + x + 1)^2), {x, 0, 50}], x] (* Vincenzo Librandi, Oct 15 2013 *)
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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