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.

A257006 Irregular triangle read by rows: period lengths of periods of primitive Zagier-reduced binary quadratic forms with discriminants D(n) = A079896(n).

Table of values

n a(n)
1 1
2 2
3 2
4 1
5 3
6 5
7 4
8 3
9 1
10 4
11 2
12 5
13 2
14 5
15 4
16 1
17 6
18 4
19 7
20 6
21 4
22 11
23 6
24 3
25 5
26 1
27 6
28 2
29 10
30 7
31 8
32 2
33 9
34 7
35 6
36 3
37 2
38 1
39 11
40 9
41 7
42 8
43 8
44 2
45 8
46 4
47 21
48 10
49 7
50 7
51 1
52 8
53 2
54 10
55 4
56 9
57 5
58 12
59 6

List of values

[1, 2, 2, 1, 3, 5, 4, 3, 1, 4, 2, 5, 2, 5, 4, 1, 6, 4, 7, 6, 4, 11, 6, 3, 5, 1, 6, 2, 10, 7, 8, 2, 9, 7, 6, 3, 2, 1, 11, 9, 7, 8, 8, 2, 8, 4, 21, 10, 7, 7, 1, 8, 2, 10, 4, 9, 5, 12, 6]