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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.

A142955 Primes of the form 3*x^2 + 4*x*y - 5*y^2 (as well as of the form 3*x^2 + 10*x*y + 2*y^2).

Table of values

n a(n)
1 2
2 3
3 19
4 31
5 59
6 67
7 71
8 79
9 103
10 107
11 127
12 151
13 167
14 179
15 211
16 223
17 227
18 307
19 331
20 379
21 383
22 431
23 439
24 487
25 523
26 547
27 563
28 599
29 607
30 659
31 683
32 743
33 751
34 787
35 811
36 827
37 839
38 863
39 887
40 907
41 911
42 971
43 983
44 991
45 1019
46 1039
47 1063
48 1091
49 1123
50 1171
51 1231
52 1283

List of values

[2, 3, 19, 31, 59, 67, 71, 79, 103, 107, 127, 151, 167, 179, 211, 223, 227, 307, 331, 379, 383, 431, 439, 487, 523, 547, 563, 599, 607, 659, 683, 743, 751, 787, 811, 827, 839, 863, 887, 907, 911, 971, 983, 991, 1019, 1039, 1063, 1091, 1123, 1171, 1231, 1283]

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

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