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.

A299964 Integers represented in more than one way by a cyclotomic binary form f(x,y) where x and y are prime numbers and 0 < y < x.

Table of values

n a(n)
1 19
2 39
3 97
4 147
5 247
6 259
7 327
8 399
9 410
10 427
11 481
12 650
13 777
14 890
15 903
16 1010
17 1027
18 1130
19 1209
20 1267
21 1443
22 1490
23 1533
24 1677
25 1730
26 1767
27 1802
28 1813
29 1898
30 1911
31 1970
32 2037
33 2119
34 2210
35 2330
36 2378
37 2667
38 2793
39 2847
40 3050
41 3170
42 3297
43 3367
44 3477
45 3530
46 3603

List of values

[19, 39, 97, 147, 247, 259, 327, 399, 410, 427, 481, 650, 777, 890, 903, 1010, 1027, 1130, 1209, 1267, 1443, 1490, 1533, 1677, 1730, 1767, 1802, 1813, 1898, 1911, 1970, 2037, 2119, 2210, 2330, 2378, 2667, 2793, 2847, 3050, 3170, 3297, 3367, 3477, 3530, 3603]