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.

A045897 Has both a primitive and imprimitive representation as x^2 + xy + y^2.

Table of values

n a(n)
1 49
2 147
3 169
4 343
5 361
6 507
7 637
8 931
9 961
10 1029
11 1083
12 1183
13 1369
14 1519
15 1813
16 1849
17 1911
18 2107
19 2197
20 2401
21 2527
22 2793
23 2883
24 2989
25 3211
26 3283
27 3549
28 3577
29 3721
30 3871
31 4107
32 4459
33 4489
34 4557
35 4693
36 4753
37 5047
38 5239
39 5329
40 5341
41 5439
42 5547
43 6223
44 6241

List of values

[49, 147, 169, 343, 361, 507, 637, 931, 961, 1029, 1083, 1183, 1369, 1519, 1813, 1849, 1911, 2107, 2197, 2401, 2527, 2793, 2883, 2989, 3211, 3283, 3549, 3577, 3721, 3871, 4107, 4459, 4489, 4557, 4693, 4753, 5047, 5239, 5329, 5341, 5439, 5547, 6223, 6241]

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

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