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.

A376004 Limiting matrix {m_n}, where m_0 = 1 and m_{i+1} = [[m_i, A(m_i)], [B(m_i), C(m_i)]], read by antidiagonals, and A adds the corresponding x-coords to every element, B subtracts it, and C adds the corresponding y-coords.

Table of values

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

List of values

[1, 1, 1, 1, 1, 1, 2, 1, 0, 1, 1, 2, 1, 0, 1, 2, 1, 1, 2, 0, 1, 3, 2, 1, 2, -1, 0, 1, 5, 3, 1, 1, -1, -1, -1, 1, 1, 5, 3, 1, 1, -1, -1, -1, 1, 2, 1, 4, 4, 1, 2, -2, 0, 0, 1, 3, 2, 1, 5, 1, 2, 3, -1, -1, 0, 1, 5, 3, 1, 1, 2, 2, 2, 4, -1, -1, -1, 1, 5, 5, 3, 1, 1, 3, 3, 3, -3, -1, -1, -1, 1]