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.

A196205 Number of n X 3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,0,3,4,1 for x=0,1,2,3,4.

Table of values

n a(n)
1 4
2 8
3 7
4 14
5 17
6 27
7 42
8 58
9 94
10 137
11 208
12 319
13 477
14 732
15 1108
16 1686
17 2573
18 3912
19 5975
20 9113
21 13914
22 21268
23 32504
24 49733
25 76116
26 116561
27 178607
28 273786
29 419924
30 644346
31 989153
32 1519164
33 2334105
34 3587703
35 5516702
36 8486022
37 13058268
38 20100879

List of values

[4, 8, 7, 14, 17, 27, 42, 58, 94, 137, 208, 319, 477, 732, 1108, 1686, 2573, 3912, 5975, 9113, 13914, 21268, 32504, 49733, 76116, 116561, 178607, 273786, 419924, 644346, 989153, 1519164, 2334105, 3587703, 5516702, 8486022, 13058268, 20100879]