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.

A331001 Number of symmetrical self-avoiding walks with maximum length on an n X n board which start in the upper left corner and go right on the first step.

Table of values

n a(n)
1 1
2 1
3 1
4 2
5 8
6 24
7 282
8 888
9 46933
10 238119
11 36027060
12 187011538
13 130162111969
14 1084873972934
15 2200211600730504
16 18559765767843341
17 174907641314142138422
18 2355130982684196593401
19 65250573687646264926302133
20 884112393542714503429381555
21 114482128183138374886637093070429
22 2465467527044697154210112460659081

List of values

[1, 1, 1, 2, 8, 24, 282, 888, 46933, 238119, 36027060, 187011538, 130162111969, 1084873972934, 2200211600730504, 18559765767843341, 174907641314142138422, 2355130982684196593401, 65250573687646264926302133, 884112393542714503429381555, 114482128183138374886637093070429, 2465467527044697154210112460659081]