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.

A069971 Table by antidiagonals of variance of time for a random walk starting at 0 to reach one of the boundaries at +n or -k for the first time.

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 0
5 0
6 0
7 2
8 2
9 0
10 0
11 8
12 8
13 8
14 0
15 0
16 20
17 22
18 22
19 20
20 0
21 0
22 40
23 48
24 48
25 48
26 40
27 0
28 0
29 70
30 90
31 92
32 92
33 90
34 70
35 0
36 0
37 112
38 152
39 160
40 160
41 160
42 152
43 112
44 0
45 0
46 168
47 238
48 258
49 260
50 260
51 258
52 238
53 168
54 0
55 0
56 240
57 352
58 392
59 400
60 400
61 400
62 392
63 352
64 240
65 0
66 0
67 330
68 498

List of values

[0, 0, 0, 0, 0, 0, 0, 2, 2, 0, 0, 8, 8, 8, 0, 0, 20, 22, 22, 20, 0, 0, 40, 48, 48, 48, 40, 0, 0, 70, 90, 92, 92, 90, 70, 0, 0, 112, 152, 160, 160, 160, 152, 112, 0, 0, 168, 238, 258, 260, 260, 258, 238, 168, 0, 0, 240, 352, 392, 400, 400, 400, 392, 352, 240, 0, 0, 330, 498]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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