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.

A113128 A simple 4-diagonal matrix based on (1+x)^3.

Table of values

n a(n)
0 1
1 3
2 2
3 3
4 6
5 3
6 1
7 6
8 9
9 4
10 0
11 2
12 9
13 12
14 5
15 0
16 0
17 3
18 12
19 15
20 6
21 0
22 0
23 0
24 4
25 15
26 18
27 7
28 0
29 0
30 0
31 0
32 5
33 18
34 21
35 8
36 0
37 0
38 0
39 0
40 0
41 6
42 21
43 24
44 9
45 0
46 0
47 0
48 0
49 0
50 0
51 7
52 24
53 27
54 10
55 0
56 0
57 0
58 0
59 0
60 0
61 0
62 8
63 27
64 30
65 11
66 0
67 0
68 0
69 0
70 0
71 0
72 0
73 0
74 9
75 30
76 33
77 12
78 0
79 0
80 0
81 0
82 0
83 0
84 0
85 0
86 0
87 10
88 33
89 36
90 13
91 0
92 0
93 0
94 0

List of values

[1, 3, 2, 3, 6, 3, 1, 6, 9, 4, 0, 2, 9, 12, 5, 0, 0, 3, 12, 15, 6, 0, 0, 0, 4, 15, 18, 7, 0, 0, 0, 0, 5, 18, 21, 8, 0, 0, 0, 0, 0, 6, 21, 24, 9, 0, 0, 0, 0, 0, 0, 7, 24, 27, 10, 0, 0, 0, 0, 0, 0, 0, 8, 27, 30, 11, 0, 0, 0, 0, 0, 0, 0, 0, 9, 30, 33, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 33, 36, 13, 0, 0, 0, 0]