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A178687
Expansion of the polynomial (1+x^3)*(1+x^5)*(1+x^7)*(1+x^9)*(1+x^11).
1
1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 2, 0, 2, 1, 2, 1, 1, 2, 1, 2, 0, 2, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1
OFFSET
0,13
COMMENTS
This is the Poincaré polynomial for the Lie group A_5.
REFERENCES
Borel, A. and Chevalley, C., The Betti numbers of the exceptional groups, Mem. Amer. Math. Soc. 1955, no. 14, pp 1-9.
CROSSREFS
A row of A142724.
Sequence in context: A352697 A165414 A330868 * A325538 A238417 A117929
KEYWORD
nonn,fini,full
AUTHOR
N. J. A. Sloane, Dec 25 2010
STATUS
approved