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A323284
Integral Euler characteristic of the outer automorphism group Out(F_n) of the free group of rank n.
1
1, 1, 2, 1, 2, 1, 1, -21, -124, -1202
OFFSET
2,3
LINKS
Shigeyuki Morita, Takuya Sakasai, and Masaaki Suzuki, Integral Euler characteristic of Out(F_11), arXiv:1405.4063 [math.AT], 2014. See Table 3.
CROSSREFS
Sequence in context: A188317 A117354 A140324 * A010250 A268041 A348248
KEYWORD
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AUTHOR
N. J. A. Sloane, Jan 13 2019
STATUS
approved