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.

A218697 Semiprimes that can be written in the form x^2 + 5*y^2 with x, y > 0.

Table of values

n a(n)
1 6
2 9
3 14
4 21
5 46
6 49
7 69
8 86
9 94
10 129
11 134
12 141
13 145
14 161
15 166
16 201
17 205
18 206
19 214
20 249
21 254
22 301
23 305
24 309
25 321
26 326
27 329
28 334
29 381
30 445
31 446
32 454
33 469
34 489
35 501
36 505
37 526
38 529
39 545
40 566
41 581
42 614
43 669
44 681
45 694
46 721
47 734
48 745
49 749
50 766
51 789
52 841
53 849
54 886
55 889

List of values

[6, 9, 14, 21, 46, 49, 69, 86, 94, 129, 134, 141, 145, 161, 166, 201, 205, 206, 214, 249, 254, 301, 305, 309, 321, 326, 329, 334, 381, 445, 446, 454, 469, 489, 501, 505, 526, 529, 545, 566, 581, 614, 669, 681, 694, 721, 734, 745, 749, 766, 789, 841, 849, 886, 889]