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A126900 Coordination sequence for 6-dimensional cyclotomic lattice Z[zeta_18]. 0
1, 18, 144, 702, 2448, 6786, 15984, 33390, 63648, 112914, 189072, 301950, 463536, 688194, 992880, 1397358, 1924416, 2600082, 3453840, 4518846, 5832144, 7434882, 9372528, 11695086, 14457312, 17718930, 21544848, 26005374, 31176432, 37139778, 43983216 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
M. Beck and S. Hosten, Cyclotomic polytopes and growth series of cyclotomic lattices, arXiv math.CO/0508136
FORMULA
G.f.: (x^2+4*x+1)^3/(1-x)^6.
MATHEMATICA
CoefficientList[Series[(x^2+4x+1)^3/(1-x)^6, {x, 0, 40}], x] (* Harvey P. Dale, Sep 03 2018 *)
CROSSREFS
Sequence in context: A143992 A127408 A008452 * A178759 A036397 A247741
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Mar 17 2007
STATUS
approved

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Last modified April 16 02:41 EDT 2024. Contains 371696 sequences. (Running on oeis4.)