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Search: id:A022152
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| A022152 |
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Coordination sequence for root lattice B_10. |
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+0
4
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| 1, 200, 7760, 122264, 1099040, 6728168, 31208560, 117555640, 376977472, 1064088840, 2708805776, 6332774360, 13786237280, 28250329640, 54959921840, 102213292024, 182747113600, 315568484680, 528350005968
(list; graph; listen)
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OFFSET
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0,2
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REFERENCES
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R. Bacher, P. de la Harpe and B. Venkov, Series de croissance et series d'Ehrhart associees aux reseaux de racines, C. R. Acad. Sci. Paris, 325 (Series 1) (1997), 1137-1142.
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FORMULA
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a(0)=1, a(n) = ( 2704*x^9 - 6024*x^8 + 51648*x^7 - 80976*x^6 + 248304*x^5 - 239736*x^4 + 296672*x^3 - 126864*x^2 + 43272*x ) / 945. - Ralf Stephan, Apr 28 2004
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CROSSREFS
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Sequence in context: A109632 A129641 A035747 this_sequence A035835 A027825 A098963
Adjacent sequences: A022149 A022150 A022151 this_sequence A022153 A022154 A022155
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KEYWORD
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nonn
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AUTHOR
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mbaake(AT)sunelc3.tphys.physik.uni-tuebingen.de (Michael Baake)
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