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.

A284554 Prime factorization representation of Stern polynomials B(n,x) with only the odd powers of x present: a(n) = A248101(A260443(n)).

Table of values

n a(n)
0 1
1 1
2 3
3 3
4 1
5 9
6 3
7 3
8 7
9 9
10 3
11 27
12 7
13 9
14 21
15 21
16 1
17 63
18 21
19 27
20 49
21 81
22 21
23 189
24 7
25 63
26 147
27 189
28 7
29 441
30 21
31 21
32 13
33 63
34 21
35 1323
36 49
37 567
38 1029
39 1323
40 7
41 3969
42 1029
43 1701
44 343
45 3969
46 147
47 1323
48 13
49 441
50 1029
51 9261
52 49
53 27783
54 1029
55 1323
56 91
57 3087
58 147
59 9261
60 91
61 441
62 273
63 273
64 1
65 819
66 273
67 1323
68 637
69 27783
70 1029
71 64827
72 91
73 27783
74 50421
75 583443
76 343

List of values

[1, 1, 3, 3, 1, 9, 3, 3, 7, 9, 3, 27, 7, 9, 21, 21, 1, 63, 21, 27, 49, 81, 21, 189, 7, 63, 147, 189, 7, 441, 21, 21, 13, 63, 21, 1323, 49, 567, 1029, 1323, 7, 3969, 1029, 1701, 343, 3969, 147, 1323, 13, 441, 1029, 9261, 49, 27783, 1029, 1323, 91, 3087, 147, 9261, 91, 441, 273, 273, 1, 819, 273, 1323, 637, 27783, 1029, 64827, 91, 27783, 50421, 583443, 343]