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.

A185646 Square array A(n,m), n>=0, m>=0, read by antidiagonals, where column m is the expansion of g.f. 1/ (1-x^1*(1-x^(m+1))/ (1-x^2*(1-x^(m+2))/ (1- ... ))).

Table of values

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

List of values

[1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 2, 1, -1, 1, 1, 1, 2, 2, 1, 0, 1, 1, 1, 2, 3, 3, 1, 0, 1, 1, 1, 2, 3, 4, 5, 1, -1, 1, 1, 1, 2, 3, 5, 7, 6, 1, 0, 1, 1, 1, 2, 3, 5, 8, 11, 10, 1, 0, 1, 1, 1, 2, 3, 5, 9, 13, 17, 14, 1, 0, 1, 1, 1, 2, 3, 5, 9, 14, 22, 28, 21, 1, 0]