A178651 - OEIS

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A178651

Expansion of the polynomial (1+x^3)*(1+x^11)*(1+x^15)*(1+x^19)*(1+x^23)*(1+x^27)*(1+x^35)

1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 2, 1, 0, 1, 2, 0, 0, 1, 2, 1, 0, 2, 3, 0, 0, 2, 2, 0, 0, 3, 2, 0, 1, 3, 2, 0, 1, 4, 1, 0, 2, 3, 1, 0, 2, 4, 1, 0, 3, 3, 0, 0, 3, 3, 0, 1, 4, 2, 0, 1, 3, 2, 0, 1, 4, 1, 0, 2, 3, 1, 0, 2, 3, 0, 0, 2, 2, 0, 0, 3, 2, 0, 1, 2, 1, 0, 0, 2, 1, 0, 1, 2, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,27`
	COMMENTS	`This is the Poincare polynomial for the Lie group E_7.`
	REFERENCES	`Borel, A. and Chevalley, C., The Betti numbers of the exceptional groups, Mem. Amer. Math. Soc. 1955, no. 14, pp 1-9.`
	LINKS	`Table of n, a(n) for n=0..133.`
	CROSSREFS	`Sequence in context: A085860 A178665 A170958 * A046810 A039999 A069842` `Adjacent sequences: A178648 A178649 A178650 * A178652 A178653 A178654`
	KEYWORD	`nonn,fini,full,easy`
	AUTHOR	`N. J. A. Sloane, Dec 24 2010`
	STATUS	`approved`

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Last modified May 23 16:56 EDT 2013. Contains 225610 sequences.