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.

A064896 Numbers of the form (2^(m*r)-1)/(2^r-1) for positive integers m, r.

Table of values

n a(n)
1 1
2 3
3 5
4 7
5 9
6 15
7 17
8 21
9 31
10 33
11 63
12 65
13 73
14 85
15 127
16 129
17 255
18 257
19 273
20 341
21 511
22 513
23 585
24 1023
25 1025
26 1057
27 1365
28 2047
29 2049
30 4095
31 4097
32 4161
33 4369
34 4681
35 5461
36 8191
37 8193
38 16383
39 16385
40 16513
41 21845
42 32767
43 32769
44 33825
45 37449
46 65535
47 65537

List of values

[1, 3, 5, 7, 9, 15, 17, 21, 31, 33, 63, 65, 73, 85, 127, 129, 255, 257, 273, 341, 511, 513, 585, 1023, 1025, 1057, 1365, 2047, 2049, 4095, 4097, 4161, 4369, 4681, 5461, 8191, 8193, 16383, 16385, 16513, 21845, 32767, 32769, 33825, 37449, 65535, 65537]