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.

A344231 Positive integers k properly represented by the positive definite binary quadratic form X^2 + 5*Y^2 = k, in increasing order.

Table of values

n a(n)
1 1
2 5
3 6
4 9
5 14
6 21
7 29
8 30
9 41
10 45
11 46
12 49
13 54
14 61
15 69
16 70
17 81
18 86
19 89
20 94
21 101
22 105
23 109
24 126
25 129
26 134
27 141
28 145
29 149
30 161
31 166
32 174
33 181
34 189
35 201
36 205
37 206
38 214
39 229
40 230
41 241
42 245
43 246
44 249
45 254
46 261
47 269
48 270
49 281
50 294
51 301
52 305
53 309
54 321
55 326
56 329
57 334
58 345
59 349
60 366
61 369
62 381
63 389
64 401
65 405

List of values

[1, 5, 6, 9, 14, 21, 29, 30, 41, 45, 46, 49, 54, 61, 69, 70, 81, 86, 89, 94, 101, 105, 109, 126, 129, 134, 141, 145, 149, 161, 166, 174, 181, 189, 201, 205, 206, 214, 229, 230, 241, 245, 246, 249, 254, 261, 269, 270, 281, 294, 301, 305, 309, 321, 326, 329, 334, 345, 349, 366, 369, 381, 389, 401, 405]