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A035718
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Coordination sequence for 23-dimensional cubic lattice.
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1
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1, 46, 1058, 16238, 187266, 1732590, 13408034, 89347502, 523804162, 2746713774, 13053926690, 56836459246, 228751366018, 857520299118, 3013639296546, 9985011435310, 31343842260994, 93623053855022
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OFFSET
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0,2
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LINKS
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J. H. Conway and N. J. A. Sloane, Low-Dimensional Lattices VII: Coordination Sequences, Proc. Royal Soc. London, A453 (1997), 2369-2389 (pdf).
Index entries for linear recurrences with constant coefficients, signature (23, -253, 1771, -8855, 33649, -100947, 245157, -490314, 817190, -1144066, 1352078, -1352078, 1144066, -817190, 490314, -245157, 100947, -33649, 8855, -1771, 253, -23, 1).
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FORMULA
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n*a(n) = 46*a(n-1) + (n-2)*a(n-2) for n > 1. - Seiichi Manyama, Aug 20 2018
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MATHEMATICA
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CoefficientList[Series[((1+x)/(1-x))^23, {x, 0, 20}], x] (* Harvey P. Dale, Dec 27 2011 *)
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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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Joan Serra-Sagrista (jserra(AT)ccd.uab.es)
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EXTENSIONS
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STATUS
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approved
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