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.

A063696 Positions of positive coefficients in cyclotomic polynomial Phi_n(x), converted from binary to decimal.

Table of values

n a(n)
0 0
1 2
2 3
3 7
4 5
5 31
6 5
7 127
8 17
9 73
10 21
11 2047
12 17
13 8191
14 85
15 297
16 257
17 131071
18 65
19 524287
20 273
21 4681
22 1365
23 8388607
24 257
25 1082401
26 5461
27 262657
28 4369
29 536870911
30 387
31 2147483647
32 65537
33 1198665
34 87381
35 17454241
36 4097
37 137438953471
38 349525

List of values

[0, 2, 3, 7, 5, 31, 5, 127, 17, 73, 21, 2047, 17, 8191, 85, 297, 257, 131071, 65, 524287, 273, 4681, 1365, 8388607, 257, 1082401, 5461, 262657, 4369, 536870911, 387, 2147483647, 65537, 1198665, 87381, 17454241, 4097, 137438953471, 349525]