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.

A108346 a(n) is the least positive number k such that P2(2n+1,q) divides Q(k,q), where both P2 and Q are polynomials in GF(2) and P2(n,q) is the n-th binary polynomial, i.e., P2(n,q) = Sum_{i>=0} b(i)*q^i, with n = Sum_{i>=0} b(i)*2^i; and Q(m,q) is 1 + q^m.

Table of values

n a(n)
0 1
1 1
2 2
3 3
4 3
5 7
6 7
7 4
8 4
9 15
10 6
11 7
12 15
13 6
14 7
15 5
16 5
17 21
18 31
19 14
20 31
21 15
22 12
23 31
24 21
25 8
26 15
27 31
28 14
29 31
30 31
31 6
32 6
33 63
34 14
35 31
36 9
37 28
38 31
39 15
40 14
41 21
42 8
43 21
44 31
45 63
46 15
47 30
48 63
49 10
50 21
51 63
52 28
53 12
54 63
55 31
56 31
57 63
58 21
59 12
60 15
61 31
62 30
63 7
64 7
65 127
66 93
67 60
68 127
69 15
70 62
71 127
72 127
73 62

List of values

[1, 1, 2, 3, 3, 7, 7, 4, 4, 15, 6, 7, 15, 6, 7, 5, 5, 21, 31, 14, 31, 15, 12, 31, 21, 8, 15, 31, 14, 31, 31, 6, 6, 63, 14, 31, 9, 28, 31, 15, 14, 21, 8, 21, 31, 63, 15, 30, 63, 10, 21, 63, 28, 12, 63, 31, 31, 63, 21, 12, 15, 31, 30, 7, 7, 127, 93, 60, 127, 15, 62, 127, 127, 62]