

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
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OFFSET

0,27


COMMENTS

This is the PoincarĂ© 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 19.


LINKS

Table of n, a(n) for n=0..52.


CROSSREFS

Sequence in context: A065335 A230264 A088534 * A216279 A025441 A176891
Adjacent sequences: A178599 A178600 A178601 * A178603 A178604 A178605


KEYWORD

nonn,fini,full,easy


AUTHOR

N. J. A. Sloane, Dec 24 2010


STATUS

approved



