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.

A272919 Numbers of the form 2^(n-1)*(2^(n*m)-1)/(2^n-1), n >= 1, m >= 1.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 7
6 8
7 10
8 15
9 16
10 31
11 32
12 36
13 42
14 63
15 64
16 127
17 128
18 136
19 170
20 255
21 256
22 292
23 511
24 512
25 528
26 682
27 1023
28 1024
29 2047
30 2048
31 2080
32 2184
33 2340
34 2730
35 4095
36 4096
37 8191
38 8192
39 8256
40 10922
41 16383
42 16384
43 16912
44 18724
45 32767
46 32768
47 32896
48 34952
49 43690
50 65535
51 65536
52 131071

List of values

[1, 2, 3, 4, 7, 8, 10, 15, 16, 31, 32, 36, 42, 63, 64, 127, 128, 136, 170, 255, 256, 292, 511, 512, 528, 682, 1023, 1024, 2047, 2048, 2080, 2184, 2340, 2730, 4095, 4096, 8191, 8192, 8256, 10922, 16383, 16384, 16912, 18724, 32767, 32768, 32896, 34952, 43690, 65535, 65536, 131071]