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.

A046170 Number of self-avoiding walks on a 2-D lattice of length n which start at the origin, take first step in the {+1,0} direction and whose vertices are always nonnegative in x and y.

Table of values

n a(n)
1 1
2 2
3 5
4 12
5 30
6 73
7 183
8 456
9 1151
10 2900
11 7361
12 18684
13 47652
14 121584
15 311259
16 797311
17 2047384
18 5260692
19 13542718
20 34884239
21 89991344
22 232282110
23 600281932
24 1552096361
25 4017128206
26 10401997092
27 26957667445
28 69892976538
29 181340757857
30 470680630478
31 1222433229262
32 3175981845982

List of values

[1, 2, 5, 12, 30, 73, 183, 456, 1151, 2900, 7361, 18684, 47652, 121584, 311259, 797311, 2047384, 5260692, 13542718, 34884239, 89991344, 232282110, 600281932, 1552096361, 4017128206, 10401997092, 26957667445, 69892976538, 181340757857, 470680630478, 1222433229262, 3175981845982]