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.

A347506 Number of self-avoiding walks on a 2-dimensional square lattice where the walk consists of steps with incrementing lengths equal to the square numbers, from 1 to n^2.

Table of values

n a(n)
0 1
1 4
2 12
3 36
4 108
5 324
6 972
7 2916
8 8676
9 25572
10 74124
11 213788
12 614444
13 1757012
14 5001372
15 14175996
16 40113156
17 113363284
18 319328028
19 897533236
20 2521069708
21 7052715556
22 19742289948
23 55129924484
24 153874225436

List of values

[1, 4, 12, 36, 108, 324, 972, 2916, 8676, 25572, 74124, 213788, 614444, 1757012, 5001372, 14175996, 40113156, 113363284, 319328028, 897533236, 2521069708, 7052715556, 19742289948, 55129924484, 153874225436]