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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.

A142956 Primes of the form -3*x^2 + 4*x*y + 5*y^2 (as well as of the form 6*x^2 + 10*x*y + y^2).

Table of values

n a(n)
1 5
2 17
3 61
4 73
5 101
6 137
7 149
8 157
9 197
10 229
11 233
12 277
13 313
14 349
15 353
16 389
17 397
18 457
19 461
20 541
21 557
22 577
23 593
24 613
25 617
26 653
27 701
28 709
29 733
30 757
31 761
32 769
33 809
34 821
35 853
36 881
37 929
38 937
39 997
40 1013
41 1033
42 1049
43 1061
44 1069
45 1109
46 1201
47 1213
48 1217
49 1277
50 1289

List of values

[5, 17, 61, 73, 101, 137, 149, 157, 197, 229, 233, 277, 313, 349, 353, 389, 397, 457, 461, 541, 557, 577, 593, 613, 617, 653, 701, 709, 733, 757, 761, 769, 809, 821, 853, 881, 929, 937, 997, 1013, 1033, 1049, 1061, 1069, 1109, 1201, 1213, 1217, 1277, 1289]

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

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