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.

A336662 Number of n-step self-avoiding walks on the Manhattan lattice with no non-contiguous adjacencies.

Table of values

n a(n)
0 1
1 2
2 4
3 6
4 10
5 16
6 26
7 42
8 68
9 110
10 178
11 282
12 452
13 724
14 1160
15 1842
16 2936
17 4688
18 7480
19 11844
20 18826
21 29956
22 47658
23 75372
24 119540
25 189764
26 301212
27 475894
28 753568
29 1194126
30 1892172
31 2986994
32 4723940
33 7475398
34 11829270
35 18660876
36 29482630
37 46603432
38 73666540

List of values

[1, 2, 4, 6, 10, 16, 26, 42, 68, 110, 178, 282, 452, 724, 1160, 1842, 2936, 4688, 7480, 11844, 18826, 29956, 47658, 75372, 119540, 189764, 301212, 475894, 753568, 1194126, 1892172, 2986994, 4723940, 7475398, 11829270, 18660876, 29482630, 46603432, 73666540]