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Search: id:A022145
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| A022145 |
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Coordination sequence for root lattice B_3. |
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+0
4
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| 1, 18, 74, 170, 306, 482, 698, 954, 1250, 1586, 1962, 2378, 2834, 3330, 3866, 4442, 5058, 5714, 6410, 7146, 7922, 8738, 9594, 10490, 11426, 12402, 13418, 14474, 15570, 16706, 17882, 19098, 20354, 21650
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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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20n^2 - 4n + 2, for n>0.
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CROSSREFS
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Sequence in context: A041626 A039608 A041628 this_sequence A143666 A139757 A100187
Adjacent sequences: A022142 A022143 A022144 this_sequence A022146 A022147 A022148
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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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