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.

A072903 Numbers m such that the discriminant of the quadratic field Q(sqrt(m)) < m.

Table of values

n a(n)
1 4
2 9
3 16
4 18
5 20
6 25
7 27
8 32
9 36
10 45
11 48
12 49
13 50
14 52
15 54
16 63
17 64
18 68
19 72
20 75
21 80
22 81
23 84
24 90
25 96
26 98
27 99
28 100
29 108
30 112
31 116
32 117
33 121
34 125
35 126
36 128
37 132
38 135
39 144
40 147
41 148
42 150
43 153
44 160
45 162
46 164
47 169
48 171
49 175
50 176
51 180
52 189
53 192
54 196
55 198
56 200
57 207
58 208
59 212

List of values

[4, 9, 16, 18, 20, 25, 27, 32, 36, 45, 48, 49, 50, 52, 54, 63, 64, 68, 72, 75, 80, 81, 84, 90, 96, 98, 99, 100, 108, 112, 116, 117, 121, 125, 126, 128, 132, 135, 144, 147, 148, 150, 153, 160, 162, 164, 169, 171, 175, 176, 180, 189, 192, 196, 198, 200, 207, 208, 212]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.