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 A187717 a(n) = A001676(n) / A187595(n). 1
 1, 1, 1, 1, 1, 1, 1, 2, 4, 6, 1, 1, 3, 2, 2, 2, 8, 16, 2, 24, 4, 4, 48, 2, 2, 12, 1, 2, 3, 3, 4, 8, 16, 32, 4, 6, 12, 120, 96, 192, 16, 96, 1, 8, 5760, 48, 96, 32, 6, 24, 16, 24, 16, 8, 3, 1, 4, 4, 4, 4, 1, 24, 16 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,8 COMMENTS The quotient of |Theta_n| and |bP_(n+1)| in the 1961 Kervaire-Milnor theorem. The quotient of |S_n| and |S_n^{bp}| in the 2011 Milnor survey (see Theorem 5, Further Details, and Table 2). - Jonathan Sondow, Jun 16 2011 LINKS Table of n, a(n) for n=1..63. Michel A. Kervaire and John W. Milnor, Groups of homotopy spheres: I, 1963 Michel A. Kervaire and John W. Milnor, Groups of homotopy spheres: I. Ann. of Math. (2) 77 1963, 504-537. John W. Milnor, Differential Topology Forty-six Years Later, Notices Amer. Math. Soc. 58 (2011), 804-809. John W. Milnor, Spheres, Abel Prize lecture (video), 2011. Wikipedia, Exotic sphere CROSSREFS Sequence in context: A013082 A352639 A197388 * A125944 A077069 A261596 Adjacent sequences: A187714 A187715 A187716 * A187718 A187719 A187720 KEYWORD nonn,hard AUTHOR Paul Muljadi, Mar 18 2011 EXTENSIONS More terms from Jonathan Sondow, Jun 16 2011 Terms a(56), a(57), a(63) corrected by Andrey Zabolotskiy, Nov 27 2022 STATUS approved

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Last modified May 29 18:27 EDT 2023. Contains 363042 sequences. (Running on oeis4.)