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A014678 Poincaré series [or Poincare series] (or Molien series) for mod 2 cohomology of Lyons group. 0
1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 2, 2, 1, 1, 2, 2, 3, 3, 2, 3, 4, 4, 4, 5, 5, 5, 5, 5, 8, 7, 6, 9, 9, 8, 9, 11, 11, 11, 12, 12, 14, 14, 13, 16, 18, 17, 18, 19, 19, 21, 21, 22, 26, 25, 23, 27, 30, 28, 30, 33, 33, 34, 34 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,15

LINKS

Table of n, a(n) for n=0..66.

A. Adem, Recent developments in the cohomology of finite groups, Notices Amer. Math. Soc., 44 (1997), 806-812.

MAPLE

t1 + t^7/((1-t^4)*(1-t^6)*(1-t^7)); where t1 = Poincaré series [or Poincare series] in A014671.

CROSSREFS

Sequence in context: A106180 A274369 A055091 * A164516 A016533 A122915

Adjacent sequences:  A014675 A014676 A014677 * A014679 A014680 A014681

KEYWORD

nonn

AUTHOR

Alejandro Adem (adem(AT)math.wisc.edu)

STATUS

approved

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Last modified July 20 22:20 EDT 2019. Contains 325189 sequences. (Running on oeis4.)