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.

A246903 Irregular triangular array: row n lists the numbers D, each being the discriminant of the minimal polynomial of a quadratic irrational represented by a continued fraction with period an n-tuple of 1s and 2s.

Table of values

n a(n)
1 5
2 8
3 5
4 8
5 12
6 5
7 8
8 40
9 85
10 5
11 8
12 12
13 96
14 221
15 480
16 5
17 8
18 145
19 260
20 533
21 1160
22 1300
23 2813
24 5
25 8
26 12
27 40
28 85
29 672
30 1365
31 1517
32 1680
33 3132
34 3360
35 7565
36 16380
37 5
38 8
39 901
40 1768
41 3725
42 3973
43 4625
44 4901
45 7400
46 8104
47 8468
48 8840
49 16133
50 18229
51 39208
52 40004
53 44104
54 95485

List of values

[5, 8, 5, 8, 12, 5, 8, 40, 85, 5, 8, 12, 96, 221, 480, 5, 8, 145, 260, 533, 1160, 1300, 2813, 5, 8, 12, 40, 85, 672, 1365, 1517, 1680, 3132, 3360, 7565, 16380, 5, 8, 901, 1768, 3725, 3973, 4625, 4901, 7400, 8104, 8468, 8840, 16133, 18229, 39208, 40004, 44104, 95485]