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.

A369901 Proth numbers h*2^k+1, with odd h < 2^k, ordered first by k then by h.

Table of values

n a(n)
1 3
2 5
3 13
4 9
5 25
6 41
7 57
8 17
9 49
10 81
11 113
12 145
13 177
14 209
15 241
16 33
17 97
18 161
19 225
20 289
21 353
22 417
23 481
24 545
25 609
26 673
27 737
28 801
29 865
30 929
31 993
32 65
33 193
34 321
35 449
36 577
37 705
38 833
39 961
40 1089
41 1217
42 1345
43 1473
44 1601
45 1729
46 1857
47 1985
48 2113
49 2241
50 2369
51 2497
52 2625
53 2753
54 2881

List of values

[3, 5, 13, 9, 25, 41, 57, 17, 49, 81, 113, 145, 177, 209, 241, 33, 97, 161, 225, 289, 353, 417, 481, 545, 609, 673, 737, 801, 865, 929, 993, 65, 193, 321, 449, 577, 705, 833, 961, 1089, 1217, 1345, 1473, 1601, 1729, 1857, 1985, 2113, 2241, 2369, 2497, 2625, 2753, 2881]