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.

A141178 Primes of the form 3*x^2+x*y-3*y^2 (as well as of the form 3*x^2+7*x*y+y^2).

Table of values

n a(n)
1 3
2 7
3 11
4 37
5 41
6 47
7 53
8 67
9 71
10 73
11 83
12 101
13 107
14 127
15 137
16 139
17 149
18 151
19 157
20 173
21 181
22 197
23 211
24 223
25 229
26 233
27 263
28 269
29 271
30 293
31 307
32 317
33 337
34 349
35 359
36 367
37 373
38 379
39 397
40 419
41 433
42 443
43 491
44 509
45 521
46 571
47 593
48 599
49 601
50 613
51 617
52 619
53 641
54 659
55 673

List of values

[3, 7, 11, 37, 41, 47, 53, 67, 71, 73, 83, 101, 107, 127, 137, 139, 149, 151, 157, 173, 181, 197, 211, 223, 229, 233, 263, 269, 271, 293, 307, 317, 337, 349, 359, 367, 373, 379, 397, 419, 433, 443, 491, 509, 521, 571, 593, 599, 601, 613, 617, 619, 641, 659, 673]

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

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