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.

A292577 Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of g.f. Product_{i>0} 1/(1 + Sum_{j=1..k} (-1)^j*j*x^(j*i))^2.

Table of values

n a(n)
0 1
1 1
2 0
3 1
4 2
5 0
6 1
7 2
8 5
9 0
10 1
11 2
12 1
13 10
14 0
15 1
16 2
17 1
18 -2
19 20
20 0
21 1
22 2
23 1
24 4
25 -4
26 36
27 0
28 1
29 2
30 1
31 4
32 14
33 4
34 65
35 0
36 1
37 2
38 1
39 4
40 6
41 16
42 13
43 110
44 0
45 1
46 2
47 1
48 4
49 6
50 -8
51 10
52 6
53 185
54 0
55 1
56 2
57 1
58 4
59 6
60 2
61 -6
62 42
63 -23
64 300
65 0
66 1
67 2
68 1
69 4
70 6
71 2
72 24
73 18
74 109
75 -44
76 481
77 0
78 1

List of values

[1, 1, 0, 1, 2, 0, 1, 2, 5, 0, 1, 2, 1, 10, 0, 1, 2, 1, -2, 20, 0, 1, 2, 1, 4, -4, 36, 0, 1, 2, 1, 4, 14, 4, 65, 0, 1, 2, 1, 4, 6, 16, 13, 110, 0, 1, 2, 1, 4, 6, -8, 10, 6, 185, 0, 1, 2, 1, 4, 6, 2, -6, 42, -23, 300, 0, 1, 2, 1, 4, 6, 2, 24, 18, 109, -44, 481, 0, 1]