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.

A307039 Square array A(n,k), n >= 0, k >= 1, read by antidiagonals, where column k is the expansion of g.f. ((1-x)^(k-1))/((1-x)^k+x^k).

Table of values

n a(n)
0 1
1 1
2 0
3 1
4 1
5 0
6 1
7 1
8 0
9 0
10 1
11 1
12 1
13 -2
14 0
15 1
16 1
17 1
18 0
19 -4
20 0
21 1
22 1
23 1
24 1
25 -3
26 -4
27 0
28 1
29 1
30 1
31 1
32 0
33 -9
34 0
35 0
36 1
37 1
38 1
39 1
40 1
41 -4
42 -18
43 8
44 0
45 1
46 1
47 1
48 1
49 1
50 0
51 -14
52 -27
53 16
54 0
55 1
56 1
57 1
58 1
59 1
60 1
61 -5
62 -34
63 -27
64 16
65 0
66 1
67 1
68 1
69 1
70 1
71 1
72 0
73 -20
74 -68
75 0
76 0
77 0
78 1
79 1
80 1
81 1
82 1
83 1
84 1
85 -6
86 -55
87 -116
88 81
89 -32
90 0

List of values

[1, 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, -2, 0, 1, 1, 1, 0, -4, 0, 1, 1, 1, 1, -3, -4, 0, 1, 1, 1, 1, 0, -9, 0, 0, 1, 1, 1, 1, 1, -4, -18, 8, 0, 1, 1, 1, 1, 1, 0, -14, -27, 16, 0, 1, 1, 1, 1, 1, 1, -5, -34, -27, 16, 0, 1, 1, 1, 1, 1, 1, 0, -20, -68, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, -6, -55, -116, 81, -32, 0]