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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.

A145295 a(n) = denominator of Atkin polynomials A_n(j) evaluated at j = 1728.

Table of values

n a(n)
1 1
2 1
3 5
4 1
5 1
6 1
7 13
8 5
9 17
10 17
11 1
12 1
13 25
14 5
15 29
16 29
17 29
18 5
19 37
20 481
21 1517
22 41
23 205
24 41
25 1
26 17
27 901
28 265
29 53
30 53
31 3233
32 61
33 3965
34 61
35 61
36 1
37 73
38 1825
39 365
40 73
41 73
42 73
43 85
44 493
45 2581
46 33553
47 89
48 445
49 8633
50 8633
51 871933
52 871933
53 48985
54 9797
55 1067873
56 39511301
57 46028629
58 230143145

List of values

[1, 1, 5, 1, 1, 1, 13, 5, 17, 17, 1, 1, 25, 5, 29, 29, 29, 5, 37, 481, 1517, 41, 205, 41, 1, 17, 901, 265, 53, 53, 3233, 61, 3965, 61, 61, 1, 73, 1825, 365, 73, 73, 73, 85, 493, 2581, 33553, 89, 445, 8633, 8633, 871933, 871933, 48985, 9797, 1067873, 39511301, 46028629, 230143145]