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.

A068914 Square array read by antidiagonals of number of k step walks (each step +-1 starting from 0) which are never more than n or less than 0.

Table of values

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

List of values

[1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 2, 1, 1, 0, 1, 2, 2, 1, 1, 0, 1, 4, 3, 2, 1, 1, 0, 1, 4, 5, 3, 2, 1, 1, 0, 1, 8, 8, 6, 3, 2, 1, 1, 0, 1, 8, 13, 9, 6, 3, 2, 1, 1, 0, 1, 16, 21, 18, 10, 6, 3, 2, 1, 1, 0, 1, 16, 34, 27, 19, 10, 6, 3, 2, 1, 1, 0, 1, 32, 55, 54, 33, 20, 10, 6, 3, 2, 1, 1, 0, 1, 32, 89]