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.

A106823 Triangle read by rows: g.f. for row r is Product( (x^i-x^(r+1))/(1-x^i), i = 1..r-2).

Table of values

n a(n)
0 1
1 1
2 1
3 0
4 1
5 1
6 1
7 1
8 0
9 0
10 0
11 1
12 1
13 2
14 2
15 2
16 1
17 1
18 0
19 0
20 0
21 0
22 0
23 0
24 1
25 1
26 2
27 3
28 3
29 3
30 3
31 2
32 1
33 1
34 0
35 0
36 0
37 0
38 0
39 0
40 0
41 0
42 0
43 0
44 1
45 1
46 2
47 3
48 4
49 4
50 5
51 4
52 4
53 3
54 2
55 1
56 1
57 0
58 0
59 0
60 0
61 0
62 0
63 0
64 0
65 0
66 0
67 0
68 0
69 0
70 0
71 0
72 1
73 1
74 2
75 3
76 4
77 5
78 6
79 6
80 6
81 6
82 5
83 4
84 3
85 2
86 1
87 1

List of values

[1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 2, 2, 2, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 2, 3, 3, 3, 3, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 3, 4, 4, 5, 4, 4, 3, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 3, 4, 5, 6, 6, 6, 6, 5, 4, 3, 2, 1, 1]