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A178602
Expansion of the polynomial (1+x^3)*(1+x^11)*(1+x^15)*(1+x^23).
2
1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 2, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1
OFFSET
0,27
COMMENTS
This is the Poincaré polynomial for the Lie group F_4.
REFERENCES
Borel, A. and Chevalley, C., The Betti numbers of the exceptional groups, Mem. Amer. Math. Soc. 1955, no. 14, pp 1-9.
MATHEMATICA
CoefficientList[Series[(1+x^3)(1+x^11)(1+x^15)(1+x^23), {x, 0, 60}], x] (* Harvey P. Dale, Jul 16 2017 *)
CROSSREFS
Sequence in context: A374208 A363127 A088534 * A363711 A216279 A025441
KEYWORD
nonn,fini,full,easy
AUTHOR
N. J. A. Sloane, Dec 24 2010
STATUS
approved