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.

A106481 An Euler phi transform of 1/(1 - x^2).

Table of values

n a(n)
0 0
1 1
2 1
3 3
4 3
5 7
6 5
7 13
8 9
9 19
10 13
11 29
12 17
13 41
14 23
15 49
16 31
17 65
18 37
19 83
20 45
21 95
22 55
23 117
24 63
25 137
26 75
27 155
28 87
29 183
30 95
31 213
32 111
33 233
34 127
35 257
36 139
37 293
38 157
39 317
40 173
41 357
42 185
43 399
44 205
45 423
46 227
47 469
48 243
49 511
50 263
51 543
52 287
53 595
54 305
55 635
56 329
57 671
58 357
59 729

List of values

[0, 1, 1, 3, 3, 7, 5, 13, 9, 19, 13, 29, 17, 41, 23, 49, 31, 65, 37, 83, 45, 95, 55, 117, 63, 137, 75, 155, 87, 183, 95, 213, 111, 233, 127, 257, 139, 293, 157, 317, 173, 357, 185, 399, 205, 423, 227, 469, 243, 511, 263, 543, 287, 595, 305, 635, 329, 671, 357, 729]