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.

A292133 Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of Product_{j>=1} 1/(1 + k*x^j).

Table of values

n a(n)
0 1
1 1
2 0
3 1
4 -1
5 0
6 1
7 -2
8 0
9 0
10 1
11 -3
12 2
13 -1
14 0
15 1
16 -4
17 6
18 -6
19 1
20 0
21 1
22 -5
23 12
24 -21
25 14
26 -1
27 0
28 1
29 -6
30 20
31 -52
32 69
33 -26
34 1
35 0
36 1
37 -7
38 30
39 -105
40 220
41 -201
42 50
43 -1
44 0
45 1
46 -8
47 42
48 -186
49 545
50 -868
51 591
52 -102
53 2
54 0
55 1
56 -9
57 56
58 -301
59 1146
60 -2705
61 3436
62 -1785
63 214
64 -2
65 0

List of values

[1, 1, 0, 1, -1, 0, 1, -2, 0, 0, 1, -3, 2, -1, 0, 1, -4, 6, -6, 1, 0, 1, -5, 12, -21, 14, -1, 0, 1, -6, 20, -52, 69, -26, 1, 0, 1, -7, 30, -105, 220, -201, 50, -1, 0, 1, -8, 42, -186, 545, -868, 591, -102, 2, 0, 1, -9, 56, -301, 1146, -2705, 3436, -1785, 214, -2, 0]