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.

A337367 Sum of square end-to-end distance over all self-avoiding n-step walks on a square lattice where no adjacent points are allowed, except those for consecutive steps.

Table of values

n a(n)
0 0
1 4
2 32
3 156
4 608
5 2116
6 6816
7 20844
8 61376
9 175628
10 491248
11 1349172
12 3650144
13 9751532
14 25774672
15 67501556
16 175375136
17 452454276
18 1160098576
19 2958123556
20 7505767840
21 18959922796
22 47701159264
23 119570463980
24 298719578688
25 743984084700
26 1847709517360
27 4576818079076
28 11309417827072

List of values

[0, 4, 32, 156, 608, 2116, 6816, 20844, 61376, 175628, 491248, 1349172, 3650144, 9751532, 25774672, 67501556, 175375136, 452454276, 1160098576, 2958123556, 7505767840, 18959922796, 47701159264, 119570463980, 298719578688, 743984084700, 1847709517360, 4576818079076, 11309417827072]