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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.

A323188 Number of n-step mirror-symmetrical self-avoiding walks on the square lattice.

Table of values

n a(n)
1 4
2 12
3 12
4 28
5 28
6 76
7 76
8 188
9 196
10 516
11 524
12 1292
13 1356
14 3500
15 3596
16 8908
17 9380
18 23940
19 24796
20 61500
21 64900
22 164612
23 171244
24 424940
25 449140
26 1134772
27 1184204
28 2939212
29 3109644
30 7834764
31 8196100
32 20345316
33 21539420
34 54156316
35 56762036
36 140908948
37 149255908

List of values

[4, 12, 12, 28, 28, 76, 76, 188, 196, 516, 524, 1292, 1356, 3500, 3596, 8908, 9380, 23940, 24796, 61500, 64900, 164612, 171244, 424940, 449140, 1134772, 1184204, 2939212, 3109644, 7834764, 8196100, 20345316, 21539420, 54156316, 56762036, 140908948, 149255908]

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

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