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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A057617 Order of subgroup bP_{m+1} of group Theta_m of h-cobordism classes of smooth homotopy m-spheres defined by those homotopy m-spheres which bound parallelizable (m+1)-manifolds, where m = 2n+1.

Table of values

n a(n)
0 1
1 1
2 1
3 28
4 2
5 992
6 1
7 8128
8 2
9 130816

List of values

[1, 1, 1, 28, 2, 992, 1, 8128, 2, 130816]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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