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.

A177238 Number of n-step self-avoiding walks on square lattice plus number of n-step self-avoiding walks on hexagonal [ =triangular ] lattice.

Table of values

n a(n)
0 2
1 10
2 42
3 174
4 718
5 3014
6 12726
7 54054
8 230046
9 980402
10 4177266
11 17789230
12 75680138
13 321616186
14 1365165694
15 5788182178
16 24514575654
17 103720434558
18 438421398326
19 1851566492994
20 7813337317842
21 32946701361962
22 138832416613530

List of values

[2, 10, 42, 174, 718, 3014, 12726, 54054, 230046, 980402, 4177266, 17789230, 75680138, 321616186, 1365165694, 5788182178, 24514575654, 103720434558, 438421398326, 1851566492994, 7813337317842, 32946701361962, 138832416613530]