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.

A134409 Second differences of A006336.

Table of values

n a(n)
1 0
2 1
3 1
4 0
5 2
6 0
7 3
8 3
9 0
10 5
11 5
12 0
13 8
14 0
15 11
16 11
17 0
18 16
19 0
20 21
21 21
22 0
23 29
24 29
25 0
26 40
27 0
28 51
29 51
30 0
31 67
32 67
33 0
34 88
35 0
36 109
37 109
38 0
39 138
40 0
41 167
42 167
43 0
44 207
45 207
46 0
47 258
48 0
49 309
50 309
51 0
52 376
53 0
54 443
55 443
56 0
57 531
58 531
59 0
60 640
61 0
62 749
63 749
64 0
65 887
66 887
67 0
68 1054
69 0
70 1221
71 1221
72 0
73 1428

List of values

[0, 1, 1, 0, 2, 0, 3, 3, 0, 5, 5, 0, 8, 0, 11, 11, 0, 16, 0, 21, 21, 0, 29, 29, 0, 40, 0, 51, 51, 0, 67, 67, 0, 88, 0, 109, 109, 0, 138, 0, 167, 167, 0, 207, 207, 0, 258, 0, 309, 309, 0, 376, 0, 443, 443, 0, 531, 531, 0, 640, 0, 749, 749, 0, 887, 887, 0, 1054, 0, 1221, 1221, 0, 1428]