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.

A358996 Number of self-avoiding paths of length 2*(n+A002620(n-1)) along the edges of a grid with n X n square cells, which do not pass above the diagonal, start at the lower left corner and finish at the upper right corner.

Table of values

n a(n)
0 1
1 1
2 2
3 2
4 10
5 20
6 248
7 1072
8 31178
9 270026
10 18806964
11 329412610
12 54393195014
13 1931171930256
14 749416883107560
15 54217060622200086

List of values

[1, 1, 2, 2, 10, 20, 248, 1072, 31178, 270026, 18806964, 329412610, 54393195014, 1931171930256, 749416883107560, 54217060622200086]