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A014700 Poincaré series [or Poincare series] (or Molien series) for mod 2 cohomology of universal W-group W(5). 0
1, 5, 55, 251, 1160, 4075, 13503, 39025, 106385, 266303, 634523, 1423885, 3068221, 6319228, 12586625, 24192381, 45219809, 82110565, 145625490, 252124434, 427810236, 711268950, 1162164778, 1865955326 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..23.

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

MAPLE

(1+5*t+40*t^2+176*t^3+440*t^4+835*t^5+1423*t^6+1980*t^7+1980*t^8+1423*t^9+835*t^10+440*t^11+176*t^12+40*t^13+5*t^14+t^15)/(1-t^2)^15;

CROSSREFS

Sequence in context: A292735 A057722 A078216 * A103326 A060558 A014852

Adjacent sequences:  A014697 A014698 A014699 * A014701 A014702 A014703

KEYWORD

nonn

AUTHOR

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

STATUS

approved

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Last modified February 19 04:00 EST 2020. Contains 332034 sequences. (Running on oeis4.)