cp's OEIS Frontend

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.

A003637 Number of classes per genus in quadratic field with discriminant -4n+1.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 1
6 3
7 3
8 1
9 2
10 1
11 5
12 1
13 2
14 3
15 1
16 7
17 5
18 3
19 3
20 1
21 4
22 5
23 3
24 4
25 1
26 5
27 1
28 5
29 5
30 3
31 5
32 7
33 2
34 5
35 1
36 11
37 5
38 4
39 1
40 13
41 1
42 9
43 2
44 3
45 7
46 2
47 7
48 5
49 3
50 1
51 15
52 3
53 7
54 3
55 2
56 13
57 1
58 11
59 3
60 7
61 2
62 4
63 4
64 5
65 3
66 19
67 5
68 2
69 6
70 3
71 9
72 3
73 5
74 2
75 19
76 9
77 4
78 3
79 17
80 7
81 4
82 4
83 1
84 8
85 3
86 5
87 9
88 1
89 21
90 1
91 15
92 5
93 7
94 3
95 5
96 7
97 7
98 8
99 25

List of values

[1, 1, 1, 1, 1, 3, 3, 1, 2, 1, 5, 1, 2, 3, 1, 7, 5, 3, 3, 1, 4, 5, 3, 4, 1, 5, 1, 5, 5, 3, 5, 7, 2, 5, 1, 11, 5, 4, 1, 13, 1, 9, 2, 3, 7, 2, 7, 5, 3, 1, 15, 3, 7, 3, 2, 13, 1, 11, 3, 7, 2, 4, 4, 5, 3, 19, 5, 2, 6, 3, 9, 3, 5, 2, 19, 9, 4, 3, 17, 7, 4, 4, 1, 8, 3, 5, 9, 1, 21, 1, 15, 5, 7, 3, 5, 7, 7, 8, 25]