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A178795 Expansion of the polynomial (x^15-1)*(x^12-1)*(x^10-1)*(x^9-1)*(x^7-1)*(x^6-1)*(x^4-1)*(x-1) in increasing powers of x. 5
1, -1, 0, 0, -1, 1, -1, 0, 1, -1, 1, 1, -2, 3, -1, -1, 3, -3, 1, 1, -4, 3, -1, -3, 4, -4, 1, 3, -5, 4, 0, -3, 6, -3, 0, 4, -5, 3, 1, -4, 4, -3, -1, 3, -4, 1, 1, -3, 3, -1, -1, 3, -2, 1, 1, -1, 1, 0, -1, 1, -1, 0, 0, -1, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,13

COMMENTS

q^120*(q^30-1)*(q^24-1)*(q^20-1)*(q^18-1)*(q^14-1)*(q^12-1)*(q^8-1)*(q^2-1) is the order of the simple group E_8(q), if q is a prime power.

REFERENCES

R. L. Griess, Jr., Twelve Sporadic Groups, Springer, 1998; see p. 169.

LINKS

Table of n, a(n) for n=0..64.

CROSSREFS

Cf. A009968, A178779, A178780, A178781.

Sequence in context: A067627 A077233 A282290 * A123185 A133569 A141071

Adjacent sequences:  A178792 A178793 A178794 * A178796 A178797 A178798

KEYWORD

sign,fini,full

AUTHOR

N. J. A. Sloane, Dec 26 2010

STATUS

approved

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Last modified October 19 22:28 EDT 2018. Contains 316378 sequences. (Running on oeis4.)