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A126905 Coordination sequence for 20-dimensional cyclotomic lattice Z[zeta_25]. 0
1, 20, 210, 1540, 8855, 42504, 177100, 657800, 2220075, 6906900, 20030015, 54627400, 141121575, 347381300, 818853475, 1856180040, 4060814450, 8600785600, 17683732275, 35379798300, 69023414470, 131555545100, 245368274925, 448512194200, 804566566400 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

REFERENCES

M. Beck and S. Hosten, Cyclotomic polytopes and growth series of cyclotomic lattices, arXiv math.CO/0508136.

FORMULA

G.f.: (x^10+1)^5/(1-x)^20.

CROSSREFS

Sequence in context: A162640 A060853 A010972 * A022585 A007744 A121204

Adjacent sequences:  A126902 A126903 A126904 * A126906 A126907 A126908

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Mar 18 2007

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Last modified February 16 06:46 EST 2012. Contains 205867 sequences.