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.

A361875 Integers of the form k*2^m + 1 where 0 < k <= m and k is odd.

Table of values

n a(n)
1 3
2 5
3 9
4 17
5 25
6 33
7 49
8 65
9 97
10 129
11 161
12 193
13 257
14 321
15 385
16 513
17 641
18 769
19 897
20 1025
21 1281
22 1537
23 1793
24 2049
25 2561
26 3073
27 3585
28 4097
29 4609
30 5121
31 6145
32 7169
33 8193
34 9217
35 10241
36 12289
37 14337
38 16385
39 18433
40 20481
41 22529
42 24577
43 28673
44 32769
45 36865
46 40961
47 45057
48 49153
49 57345
50 65537
51 73729
52 81921

List of values

[3, 5, 9, 17, 25, 33, 49, 65, 97, 129, 161, 193, 257, 321, 385, 513, 641, 769, 897, 1025, 1281, 1537, 1793, 2049, 2561, 3073, 3585, 4097, 4609, 5121, 6145, 7169, 8193, 9217, 10241, 12289, 14337, 16385, 18433, 20481, 22529, 24577, 28673, 32769, 36865, 40961, 45057, 49153, 57345, 65537, 73729, 81921]