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.

A141193 Primes of the form -3*x^2+3*x*y+4*y^2 (as well as of the form 6*x^2+9*x*y+y^2).

Table of values

n a(n)
1 7
2 19
3 43
4 61
5 73
6 139
7 157
8 163
9 199
10 229
11 271
12 277
13 283
14 313
15 349
16 367
17 397
18 457
19 463
20 499
21 541
22 571
23 577
24 613
25 619
26 631
27 643
28 691
29 709
30 727
31 733
32 739
33 757
34 769
35 823
36 853
37 859
38 883
39 919
40 937
41 967
42 997
43 1033
44 1051
45 1069
46 1087
47 1201
48 1213
49 1279
50 1297
51 1303
52 1327
53 1423
54 1429

List of values

[7, 19, 43, 61, 73, 139, 157, 163, 199, 229, 271, 277, 283, 313, 349, 367, 397, 457, 463, 499, 541, 571, 577, 613, 619, 631, 643, 691, 709, 727, 733, 739, 757, 769, 823, 853, 859, 883, 919, 937, 967, 997, 1033, 1051, 1069, 1087, 1201, 1213, 1279, 1297, 1303, 1327, 1423, 1429]

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

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