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.

A333510 Number of self-avoiding walks in the n X 2 grid graph which start at any of the n vertices on left side of the graph and terminate at any of the n vertices on the right side.

Table of values

n a(n)
1 1
2 8
3 29
4 80
5 195
6 444
7 969
8 2056
9 4279
10 8788
11 17885
12 36176
13 72875
14 146412
15 293649
16 588312
17 1177855
18 2357188
19 4716133
20 9434336
21 18871091
22 37744988
23 75493209
24 150990120
25 301984455
26 603973684
27 1207952749
28 2415911536
29 4831829819
30 9663667148
31 19327342625
32 38654694456
33 77309399055
34 154618809252

List of values

[1, 8, 29, 80, 195, 444, 969, 2056, 4279, 8788, 17885, 36176, 72875, 146412, 293649, 588312, 1177855, 2357188, 4716133, 9434336, 18871091, 37744988, 75493209, 150990120, 301984455, 603973684, 1207952749, 2415911536, 4831829819, 9663667148, 19327342625, 38654694456, 77309399055, 154618809252]