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A022146
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Coordination sequence for root lattice B_4.
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3
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1, 32, 224, 768, 1856, 3680, 6432, 10304, 15488, 22176, 30560, 40832, 53184, 67808, 84896, 104640, 127232, 152864, 181728, 214016, 249920, 289632, 333344, 381248, 433536, 490400, 552032, 618624, 690368
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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REFERENCES
| 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
| a(0) = 1, a(n) = 32n^3 - 16n^2 + 16n. - Ralf Stephan (ralf(AT)ark.in-berlin.de), Sep 03 2003
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CROSSREFS
| Sequence in context: A200787 A146089 A070053 * A160061 A199913 A060622
Adjacent sequences: A022143 A022144 A022145 * A022147 A022148 A022149
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KEYWORD
| nonn
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AUTHOR
| mbaake(AT)sunelc3.tphys.physik.uni-tuebingen.de (Michael Baake)
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