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.

A188149 Number of 4-step self-avoiding walks on an n X n square summed over all starting positions.

Table of values

n a(n)
1 0
2 8
3 80
4 232
5 456
6 752
7 1120
8 1560
9 2072
10 2656
11 3312
12 4040
13 4840
14 5712
15 6656
16 7672
17 8760
18 9920
19 11152
20 12456
21 13832
22 15280
23 16800
24 18392
25 20056
26 21792
27 23600
28 25480
29 27432
30 29456
31 31552
32 33720
33 35960
34 38272
35 40656
36 43112
37 45640
38 48240
39 50912
40 53656

List of values

[0, 8, 80, 232, 456, 752, 1120, 1560, 2072, 2656, 3312, 4040, 4840, 5712, 6656, 7672, 8760, 9920, 11152, 12456, 13832, 15280, 16800, 18392, 20056, 21792, 23600, 25480, 27432, 29456, 31552, 33720, 35960, 38272, 40656, 43112, 45640, 48240, 50912, 53656]