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.

A106822 Triangle read by rows: g.f. for row r is Product_{i=1..r-2} (x^i-x^(r+1))/(1-x^i).

Table of values

n a(n)
0 1
1 1
2 0
3 1
4 1
5 1
6 0
7 0
8 0
9 1
10 1
11 2
12 1
13 1
14 0
15 0
16 0
17 0
18 0
19 0
20 1
21 1
22 2
23 2
24 2
25 1
26 1
27 0
28 0
29 0
30 0
31 0
32 0
33 0
34 0
35 0
36 0
37 1
38 1
39 2
40 2
41 3
42 2
43 2
44 1
45 1
46 0
47 0
48 0
49 0
50 0
51 0
52 0
53 0
54 0
55 0
56 0
57 0
58 0
59 0
60 0
61 1
62 1
63 2
64 2
65 3
66 3
67 3
68 2
69 2
70 1
71 1
72 0
73 0
74 0
75 0
76 0
77 0
78 0
79 0
80 0
81 0
82 0
83 0
84 0
85 0
86 0
87 0
88 0
89 0
90 0
91 0
92 0
93 1
94 1
95 2
96 2
97 3
98 3
99 4
100 3
101 3
102 2
103 2
104 1

List of values

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