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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.

A001676 Number of h-cobordism classes of smooth homotopy n-spheres.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 28
8 2
9 8
10 6
11 992
12 1
13 3
14 2
15 16256
16 2
17 16
18 16
19 523264
20 24
21 8
22 4
23 69524373504
24 2
25 4
26 12
27 67100672
28 2
29 3
30 3
31 7767211311104
32 8
33 32
34 32
35 3014494287036416
36 6
37 24
38 120
39 2303837503821447168
40 192
41 32
42 96
43 341653284209033216
44 8
45 11520
46 48
47 798366828940770681028608
48 32
49 12
50 24
51 11852230872517975212032
52 24
53 32
54 8
55 91678339751618435453288448
56 1
57 8
58 4
59 1986677733776616536315084668928
60 4
61 1
62 24
63 284423744326342962334231917756416

List of values

[1, 1, 1, 1, 1, 1, 28, 2, 8, 6, 992, 1, 3, 2, 16256, 2, 16, 16, 523264, 24, 8, 4, 69524373504, 2, 4, 12, 67100672, 2, 3, 3, 7767211311104, 8, 32, 32, 3014494287036416, 6, 24, 120, 2303837503821447168, 192, 32, 96, 341653284209033216, 8, 11520, 48, 798366828940770681028608, 32, 12, 24, 11852230872517975212032, 24, 32, 8, 91678339751618435453288448, 1, 8, 4, 1986677733776616536315084668928, 4, 1, 24, 284423744326342962334231917756416]

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