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.

A028952 Numbers represented by quadratic form with Gram matrix [ 3, 1; 1, 4 ].

Table of values

n a(n)
1 0
2 3
3 4
4 5
5 9
6 12
7 15
8 16
9 20
10 23
11 25
12 27
13 31
14 33
15 36
16 37
17 44
18 45
19 48
20 55
21 59
22 60
23 64
24 67
25 69
26 71
27 75
28 80
29 81
30 89
31 92
32 93
33 97
34 99
35 100
36 108
37 111
38 113
39 115
40 124
41 125
42 132
43 135
44 137
45 141
46 144
47 147
48 148
49 155
50 157
51 159
52 165
53 176
54 177
55 179
56 180
57 181
58 185
59 188
60 191
61 192

List of values

[0, 3, 4, 5, 9, 12, 15, 16, 20, 23, 25, 27, 31, 33, 36, 37, 44, 45, 48, 55, 59, 60, 64, 67, 69, 71, 75, 80, 81, 89, 92, 93, 97, 99, 100, 108, 111, 113, 115, 124, 125, 132, 135, 137, 141, 144, 147, 148, 155, 157, 159, 165, 176, 177, 179, 180, 181, 185, 188, 191, 192]

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

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