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.

A117633 Number of self-avoiding walks of n steps on a Manhattan square lattice.

Table of values

n a(n)
0 1
1 2
2 4
3 8
4 14
5 26
6 48
7 88
8 154
9 278
10 500
11 900
12 1576
13 2806
14 4996
15 8894
16 15564
17 27538
18 48726
19 86212
20 150792
21 265730
22 468342
23 825462
24 1442866
25 2535802
26 4457332
27 7835308
28 13687192
29 24008300
30 42118956
31 73895808
32 129012260
33 225966856
34 395842772
35 693470658
36 1210093142
37 2117089488
38 3704400974

List of values

[1, 2, 4, 8, 14, 26, 48, 88, 154, 278, 500, 900, 1576, 2806, 4996, 8894, 15564, 27538, 48726, 86212, 150792, 265730, 468342, 825462, 1442866, 2535802, 4457332, 7835308, 13687192, 24008300, 42118956, 73895808, 129012260, 225966856, 395842772, 693470658, 1210093142, 2117089488, 3704400974]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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