A187717 a(n) = A001676(n) / A187595(n).
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
Offset: 1
Links
- 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
Extensions
More terms from Jonathan Sondow, Jun 16 2011
Terms a(56), a(57), a(63) corrected by Andrey Zabolotskiy, Nov 27 2022
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